
Julia Child’s place in the cooking hall of fame is second to none, not only for popularizing France in America through cuisine but also for sharing a passion for ingredients, technique, and the pleasure of eating well. Her groundbreaking Mastering the Art of French Cooking brings even the most humdrum of dishes, such as mashed potatoes, to levels of transcendence.
Her traditional garlic-flavored kind, especially, reflects her motto: “You don’t have to cook fancy or complicated masterpieces, just good food from fresh ingredients.” The same philosophy is reflected in the fastidious experimentation and transparent explication of America’s Test Kitchen, where each step is refined through testing. This blog discusses Julia’s mashed potato recipe, its methods, equipment, and wizardry, providing a tutorial on how to accomplish her magic in your kitchen.

The Science of Raising Simple
Julia Child’s brilliance is taking the simplest of food to something heavenly with precision and attention. Her mashed potatoes, in particular her bold 30-clove garlic one, are the pinnacle of this philosophy, taking something as simple as a side dish and making it something of a masterpiece. My childhood kitchen in my parents’ house was balanced in between healthy trends and indulgence, similar to Julia’s emphasis on flavor without fad. Her creations provided a tasty counterpoint to our blundering attempts at carob cookies or unsweetened cereal, showing that kitchen perspiration could yield memories for a lifetime.
- Kitchen Science Lesson: Technique transforms ingredients.
- Garlic Application: Bold use of garlic, tempered to reduce its sharpness.
- Flavor Transformation: Strong garlic can become overpowering or cloying if not handled properly.
- Anthony Bourdain’s View: Garlic is divine and deserves respect in preparation.
- Julia’s Technique: Extracts rich garlic flavors to enhance the dish without overwhelming it.
Her dedication to texture is also what makes the recipe so brilliant. By insisting on the use of a potato ricer, Julia guarantees a light, smooth outcome, sidestepping the rubbery taste that can destroy mashed potatoes. This attention to detail coupled with such ubiquitous ingredients equips home cooks with the craft to produce restaurant-quality cuisine, rendering the recipe both practical and exciting for novices and experts alike.

Mastering Garlic’s Mellow Magic
The key to Julia’s well-known mashed potatoes is her forceful application of 30 cloves of garlic, which can overwhelm but provides unmatched flavor when properly mastered. Her technique transforms garlic into a creamy, smooth showstopper and not a nasty bruiser. By masterfully preparing the garlic, she makes it a sophisticated essence that complements the dish and demonstrates how strong ingredients can elevate with masterful competence.
This is the way Julia achieves the garlic miracle:
- Blanching for Balance: Blanch whole garlic cloves in hot water for two minutes to mellow their pungency, taming the raw bite that might dominate the dish.
- Slow Braising in Butter: Peel and braise cloves in vegan or regular butter over low heat in a covered saucepan for 20 minutes, until tender but not brown. This slow braising instills a sweet, buttery richness, as Nanci Edwards reported, explaining the “almost sweet” outcome.
- Preparing a Roux: Mix together the braised garlic and flour, soy milk (or whole milk) and spices to create a smooth roux or béchamel. This spreads out the flavor of the garlic and adds to the creaminess of the dish.
This is achieved, according to one Insider test cook, so that “the garlic was there, but it wasn’t overpowering at all.” The final result is rich, well-balanced flavor that improves the potatoes, and it has the added benefit of inspiring cooks to have faith in the process and to adhere to Julia’s conservative approach.

Slow Cooker Mashed Potatoes
Equipment
- 1 Slow Cooker
- 1 Vegetable Peeler
- 1 Chef’s knife
- 1 Cutting Board
- 1 Potato Masher
Ingredients
Main
- 4-5 pounds russet or Yukon gold potatoes peeled and cut into 1/2-inch pieces
- 2 cloves of garlic smashed
- 1 1/2 teaspoons coarse kosher salt
- 1/4 teaspoon black pepper
- 1 cup milk
- 1/2 cup chicken broth I use low-sodium
- For Mashing:
- 1/3 cup milk if needed
- 2-3 tablespoons butter
- 2 ounces cream cheese softened (or 1/4 cup sour cream)
- Salt and pepper to taste
Instructions
- Peel the russet or Yukon gold potatoes and cut them into uniform 1/2-inch pieces to ensure even cooking.
- Smash the garlic cloves.
- Place the cut potatoes and smashed garlic into the slow cooker.
- Add 1 1/2 teaspoons coarse kosher salt, 1/4 teaspoon black pepper, 1 cup milk, and 1/2 cup chicken broth to the slow cooker. Stir to combine.
- Cover and cook on high for 3-4 hours or on low for 6-8 hours, or until the potatoes are very tender and easily pierced with a fork.
- Once cooked, carefully drain any excess liquid from the slow cooker, reserving a small amount if the potatoes seem too dry.
- Add the softened cream cheese (or sour cream) and 2-3 tablespoons of butter to the cooked potatoes.
- Using a potato masher, mash the potatoes until smooth or to your desired consistency, being careful not to over-mash.
- Gradually add 1/3 cup of warm milk, if needed, until the mashed potatoes reach your preferred creaminess.
- Taste and adjust seasoning with additional salt and pepper as necessary before serving hot.
Notes

Obtaining the Perfect Texture
Texture is the key to Julia’s mashed potatoes, and her most valuable resource is the potato ricer. Unlike ancient mashers or enthusiastic mixers, which break down starch granules and result in a sticky texture, the ricer carefully discharges potato cells to yield a light, airy texture. Nanci Edwards marked Julia’s “large potato ricer, purchased in Germany in the middle 1950s,” as perfect for small groups, saving her KitchenAid mixer for large parties. This decision is based on a scientific fact: heating starches beyond their threshold creates gluten-type bonds, destroying the dish’s lightness.
- Potato Selection: Julia uses Russet or baking potatoes for their high starch content, ideal for a light mash.
- Waxy Potatoes Issue: Higher moisture in waxy potatoes leads to a dense texture.
- Boiling Technique: Boil potatoes until tender when pierced with a fork, about 15-20 minutes, to prevent excess water absorption and sogginess.
- Post-Boiling Step: Return drained potatoes to the pot over low heat to evaporate excess water.
- Bryan Edwards’ Insight: Excess water in potatoes results in poor-quality mashed potatoes.
Adding warm milk and butter (its vegan equivalent such as soy milk and vegan butter) provides smoothness. Chilled liquids will make the starches seize, creating lumpy consistency. The warmth in the milk mixture and heat in the heavy-bottomed pan work further to enhance the texture, which turns into silky and delicious food indicating Julia’s concern for detail.

Step-by-Step Recipe Guide
Julia’s mashed potatoes are a work of love to make, but it is worth it. For the simple version, start with two pounds of Russet potatoes, peeled and quartered. Optionally, add three cloves of peeled garlic for a subtle infusion. Boil in salted water 15–20 minutes or until readily pierced by a fork, drain, and then put the pot over low heat to dry out. Heat one cup of milk with two tablespoons (or vegan equivalent) of butter and melt, then pour gently over riced potatoes, mashing until smooth. Season with pepper and salt to taste, adjusting for balance.
The classic 30-clove garlic version takes more time but is richly worth it:
- Prepare the Garlic: Blanche 30 cloves (two heads) in boiling water for two minutes, chill, and peel. Sauté in ½ cup vegan butter, low heat, for 20 minutes until tender but not colored.
- Make the Roux: Whisk in two tablespoons flour for two minutes, then one cup soy milk, ¼ teaspoon sea salt, and a pinch of white pepper. Blend until smooth, then cook for two minutes.
- Mix and Finish: Boil 2 ½ pounds Russett potatoes in boiling water until tender, drain, and rice into a saucepan. Add the garlic roux, beating vigorously over low heat to combine flavors. Taste and season, sprinkle with parsley, and top with a pat of butter.
This process, adaptable to dietary requirements with lactose-free or vegan alternatives, provides a creamy, tasty dish typical of Julia’s skill in the kitchen.

Troubleshooting Common Issues
Flat flavor typically results from nervous seasoning. Julia’s “season well” is tasting and seasoning salt and pepper in rounds, relying on the mellow richness of the garlic to provide the flavor. Scorching or uneven cooking may also result from thin pots. Julia’s suggestion of using a thick-bottomed pot permits even heat conduction, so there is no sticking. These are solutions, based on her approaches, for uniform success.
Despite coaching by Julia, accidents can happen. Here are remedies to typical problems:
- Gummy Texture: Excessive mashing or mixer action tears starch granules open, producing a gooey texture. Break up cells lightly using a potato ricer for a delicate outcome.
- Watery Potatoes: Too much cooking makes potatoes absorb water. Cook just until tender, and remove excess moisture after draining by simmering over low heat.
- Lumpy Texture: Milk cools starches and makes them seize. Warm the milk and butter first before adding to ensure a smooth mash.
Julia’s detail-oriented style equips cooks with safety nets. With her methods using the proper tools, cooking accurately, and seasoning carefully you can produce a perfect dish every time. Her problem-solving approach, similar to America’s Test Kitchen, enables her recipe to be available and trustworthy for novices as well.

Innovative Reinvention of Leftovers
Julia’s mashed potatoes shine on a side but also encourage innovative reinvention. Leftovers can be “Gallettes de Pommes Duchesse,” that is, potato pancakes, as Nanci Edwards found to her delight in Mastering the Art of French Cooking, Volume Two. Blend leftover mash with egg, shape into patties, top with Panko breadcrumbs, and fry in a combination of butter and olive oil for a golden crunchy outcome. Nanci described them as “crispy and brown, and they were worth a million bucks,” showing leftovers can hold their own against the original.
- Julia’s Approach: Focuses on maximizing flavor while minimizing waste.
- Simple Instructions: Easy-to-follow directions make the process accessible, encouraging confident cooking.
- Texture Contrast: Pancakes feature a crunchy exterior and creamy interior.
- Elevated Side Dish: Transforms an everyday side into a favorite dish.
It embodies Julia’s philosophy of relishing each step of the cooking process. Whether of streamlining recipes to accommodate dietary requirements or of recycling leftovers, her techniques encourage creativity and resourcefulness so that every meal is a reflection of taste and cleverness.

Embracing Julia’s Culinary Spirit
Julia Child’s mashed potatoes are more than a recipe they’re a demonstration of her philosophy of rigorous testing and passion for flavor. Her fastidious attention to detail, from confiting 30 cloves of garlic to demanding a potato ricer, is enabling home cooks to elevate the ordinary to greatness. This philosophy brings to mind my own kitchen heritage, where discovery of health and excess taught me the value of worth-the-effort flavor.
- Fearless Recipes: Julia’s recipes encourage home cooks to trust the process and embrace the results.
- Cooking Expertise: Techniques like making garlic roux or repurposing leftovers into pancakes showcase deliberate skill at each step.
- Descriptive Style: Similar to America’s Test Kitchen, Julia’s explanations foster a deeper understanding of cooking.
- Accessibility: Her methods are designed to be approachable for all cooks.
So, rise to the challenge and do it in your own kitchen. Don’t be afraid of the garlic or the ricer take the plunge, try techniques out, and let us know what you discover. Julia’s mashed potatoes challenge you to take her passion and dedication to good food into your own kitchen to turn a simple dish into a celebration of culinary expertise.