Melting Fondant Potatoes (Pommes Fondantes)
The classic French culinary gem popularized by Chef John: thick cylinders of Russet potatoes pan-seared in foaming butter to form a crispy golden crust, then oven-braised in thyme-scented chicken stock until the interior melts like pure custard.

Dark golden, crackling crispy ends enclosing an interior so creamy and tender it collapses under the light touch of a fork.
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Step-by-Step Video Guide & Creator Variants
Cocinanding Guide vs. Creator Video: Related Video — Unconfirmed Comparison (Food Wishes (Chef John)): This public video is provided as a visual reference for the dish. Exact ratios, timings (15m prep / 35m cook), and US grocery suggestions on this page are independently standardized by Cocinanding.

Melting Fondant Potatoes (Pommes Fondantes)
Food Wishes (Chef John)
Public YouTube video embedded as a visual technique reference. The written recipe guide, verified timings, and US grocery brand picks are independently authored by Cocinanding (not a commercial partnership).
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What to Buy & Brand Guide
Editorial US Grocery Suggestions • Zero Paid Placements
Idaho Russet Burbank Potatoes
Standard Size: 5 lb bagWhy it matters: High-starch density drinks in rich poultry broth without disintegrating.
Where to find in US: Produce section.
Acceptable substitutes: Large Yukon Gold potatoes.
Why This Recipe Works
💡 Pan-Sear Meets Oven-Braise
High-heat searing forges a crisp crust on top and bottom, while oven-braising in stock at 425°F (220°C) gelatinizes the internal starches into a melt-in-your-mouth purée.
Ingredients for 4 ServingsUS Standard Measurements
- 4 large Large Idaho Russet potatoes, peeled and cut into flat-ended 1.5-inch cylinders
- 2 tbsp High-smoke-point vegetable oil
- 4 tbsp Unsalted butter
- 1.5 tsp Kosher salt
- 0.5 tsp Freshly ground black pepper
- 1 cup Rich hot chicken or beef stock
- 4 sprigs Fresh thyme sprigs
- 3 cloves Fresh garlic cloves, smashed with skins on
Required Kitchen Tools
- ✓Oven-safe heavy stainless steel or cast-iron skillet
- ✓Vegetable peeler
- ✓Kitchen tongs
Step-by-Step Preparation
Shape Uniform Cylinders
Square off potato ends and peel into smooth 1.5-inch thick cylinders. Pat dry thoroughly with paper towels and season generously with kosher salt and freshly ground black pepper.
Hard Sear Base
Heat high-smoke-point vegetable oil in an oven-safe skillet over medium-high. Sear potato cylinders for 6 minutes until the bottom face is deeply browned and crisp.
Flip and Butter Baste
Flip cylinders. Add unsalted butter, smashed garlic cloves, and fresh thyme sprigs. Baste the foaming butter continuously over the potatoes for 3 minutes.
Add Stock & Oven Braise at 425°F
Carefully pour hot chicken stock into the skillet. Transfer immediately to a preheated 425°F (220°C) oven and bake for 30 minutes until stock is reduced to a glaze and centers are creamy.
Common Mistakes & Troubleshooting
Avoid the mistakes that ruin this recipe
⚠️ Problem: Potatoes collapsed into mushy fragments
Underlying Cause: Submerged completely in stock or baked at too high a temperature.
Fix & Solution: Stock should only reach halfway up the potato cylinders, leaving the top crust exposed and crunchy.
Frequently Asked Culinary Questions
Specific ingredient, technique, and US grocery answers for Melting Fondant Potatoes (Pommes Fondantes)
❓ Which brand of idaho russet potatoes should I look for in US grocery stores for Melting Fondant Potatoes (Pommes Fondantes)?
Editorial suggestion: Idaho Russet Burbank Potatoes (Idaho Potatoes). High-starch density drinks in rich poultry broth without disintegrating. Typical aisle: Produce section. Acceptable substitute: Large Yukon Gold potatoes.
❓ How do I fix: "Potatoes collapsed into mushy fragments"?
Common cause: Submerged completely in stock or baked at too high a temperature. Practical fix: Stock should only reach halfway up the potato cylinders, leaving the top crust exposed and crunchy.
The Crown of French Potato Mastery
Chef John’s video on Fondant Potatoes has tens of millions of views because it turns everyday supermarket potatoes into a luxurious luxury. The duality of crispy pan-fried crust and braised velvety center is simply unmatched.
Visual Kitchen Infoguide (Print or Save to Phone)
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