United States · Chicken
French Onion Chicken with Roasted Carrots & Mashed Potatoes
About this recipe
This recipe comes from a regional cooking tradition that draws on its own pantry, technique, and culinary history. The full editorial context for this cuisine is something we're still developing; the scaling and conversion tools above work the same regardless of origin.
As a chicken dish, French Onion Chicken with Roasted Carrots & Mashed Potatoes is forgiving enough to roast whole, braise in pieces, or quick-cook for a weeknight dinner — chicken accepts most techniques without losing its character.
The scaler above rewrites every measurement to your target serving count, with proper culinary fractions (½, ⅓, ¼) instead of decimals so the recipe stays measurable. Cook Mode steps you through it hands-free.
Recipe data is sourced from TheMealDB's open community database; ScaleRecipe handles the curation, the scaling math, the editorial commentary, and the conversion utilities woven into each page.
Translate this recipe
Reading in English
Listen to this recipe
No matching voice on this device
Method
- 1
- Preheat oven to 425 degrees. Wash and dry all produce. Trim, peel, and cut carrots on a diagonal into ¼-inch-thick pieces. Dice potatoes into ½-inch pieces. Halve, peel, and thinly slice onion.
- 2
- Toss carrots on a baking sheet with a drizzle of oil, salt, and pepper. Roast until browned and tender, 15-20 minutes.
- 3
- Meanwhile, place potatoes in a medium pot with enough salted water to cover by 2 inches. Bring to a boil and cook until tender, 12-15 minutes. Drain and return potatoes to pot; cover to keep warm.
- 4
- While potatoes cook, heat a drizzle of oil in a large pan over medium-high heat. Add onion and cook, stirring occasionally, until lightly browned and softened, 8-10 minutes. Sprinkle with 1 tsp sugar (2 tsp for 4 servings). Stir in stock concentrate and 2 TBSP water (¼ cup for 4); season with salt and pepper. Cook until jammy, 2-3 minutes more. Turn off heat; transfer to a small bowl. Wash out pan.
- 5
- Pat chicken dry with paper towels; season all over with salt and pepper. Heat a drizzle of oil in pan used for onion over medium-high heat. Add chicken and cook until browned and cooked through, 5-6 minutes per side. In the last 1-2 minutes of cooking, top with caramelized onion and cheese. Cover pan until cheese melts. (If your pan doesn’t have a lid, cover with a baking sheet!)
- 6
- Heat pot with drained potatoes over low heat; mash with sour cream, 2 TBSP butter (4 TBSP for 4 servings), salt, pepper, and a splash of water (or milk, for extra richness) until smooth. Divide chicken, roasted carrots, and mashed potatoes between plates.
Cooking notes
When scaling protein-led dishes, weigh the meat rather than counting pieces, and remember that the pan size limits how much you can sear at once.
For volume-to-weight conversions of any ingredient — flour, sugar, butter, salts — use the ingredient converter. To translate the recipe's oven temperature between °C, °F and gas mark, see the temperature converter.
When you scale this recipe up or down, remember that cooking time does not scale linearly. A doubled cake takes longer, but not twice as long; a doubled soup takes roughly twice as long. The cooking-time guide gives sensible starting estimates by dish geometry.
Scaling notes
Scaling French Onion Chicken with Roasted Carrots & Mashed Potatoes
French Onion Chicken with Roasted Carrots & Mashed Potatoes is written for around four servings as it stands on this page — scaling it up for a party or down for a meal-for-one is the small math problem most home cooks face every week. Here's how this particular dish responds to scaling, what changes linearly, and what doesn't.
French Onion Chicken with Roasted Carrots & Mashed Potatoes scales gracefully because chicken is forgiving — both the cooking method and the timing apply per piece rather than per total weight. The non-linear rule still applies to seasoning: at 2× volume use 1.5× the salt and spices, not full double, because flavour concentration intensifies as batch size grows.
Butter is one of the easier ingredients to scale because it's sold in standardised sticks: 1 US stick = 8 tablespoons = ½ cup = 113 g. Any fractional scaling lines up neatly on a kitchen scale, and grocery-store butter packaging is already pre-marked in tablespoon increments along the wrapper.
Skip the math entirely — ScaleRecipe's scaler rewrites every ingredient line above with proper culinary fractions and smart unit promotion the moment you change the serving count. Open the scaler →
Beyond the recipe
Substitutions & make-ahead — French Onion Chicken with Roasted Carrots & Mashed Potatoes
Two things home cooks ask about most when they're outside the recipe's exact assumptions: what swaps work for which ingredients, and how the dish behaves when you make it ahead. Both depend on what French Onion Chicken with Roasted Carrots & Mashed Potatoes is doing structurally — here's the practical version.
Substitution ideas
Butter
For sautéing or browning, equal-weight olive oil or a neutral oil works directly. For baking, equal-weight coconut oil (melted, then chilled to the same softness the recipe expects) gives a buttery richness; a quality vegan butter brick is the structural match for cookies and pastries where firmness matters.
Sour cream
Full-fat plain Greek yogurt substitutes 1:1 with slightly more tang and less fat. For baking specifically, full-fat plain yogurt or crème fraîche keeps the texture closer. Low-fat options break the structure — fat is doing the work, not the bacterial tang.
For weight-based swaps and arbitrary quantities, the ingredient density converter and the cup-to-grams chart cover most pantry staples.
Make-ahead and storage
French Onion Chicken with Roasted Carrots & Mashed Potatoes tolerates make-ahead better than most home cooks expect. Cooked chicken keeps 3-4 days refrigerated and freezes well for up to 3 months. Reheat in a low oven (around 300 °F / 150 °C) covered, with a splash of broth — microwave reheating dries out lean breast meat especially. If the sauce is dairy-based (cream, yogurt), warm gently over low heat and stir as it comes back together; high heat breaks the emulsion.
Keep cooking
More chicken recipes
Keep cooking
More United States recipes
Cooking aids
Tools to use while you cook this.
Each opens in a new tab so the timer keeps running. The math is auditable on the guide page below each converter, with worked examples and where the numbers come from.
Volume
Tablespoons, teaspoons, cups, ml, fluid ounces — every culinary volume unit, with US/metric/imperial cups handled distinctly.
OpenWeight
Grams, ounces, pounds, kilograms — exact for any ingredient, plus the volume-to-weight conversions for ~40 pantry staples.
OpenTemperature
Fahrenheit, Celsius, gas mark — translate any oven temperature, with notes on conventional vs convection.
OpenCooking time
The cube-root rule for scaling up, the differences between meat / cake / soup geometry, and sensible starting estimates.
OpenPan size
9-inch round vs 8-inch square vs 13×9. The math is surface area, not diameter — and the converter shows you both.
OpenLength
Inches and centimetres — for when a recipe says “cut into 1-inch pieces” and your ruler is metric.
OpenIngredient density
A cup of flour weighs 120 g; a cup of honey weighs 340. The full table of ~40 staples, with sources.
OpenOpen in main scaler
Edit the recipe text, scale by serving count, and copy the result. Same parser as the in-page scaler, more room to work.
OpenFrom the journal
Original essays on the small details.
The why behind the technique — original writing on the ingredient and equipment choices that separate a good cook from a frustrated one.
Reading a recipe like a chef
The 30-or-so recipe terms that show up most often, decoded
Read essayMay 4, 2026
Cooking for one — scaling principles
The math, the practical realities, and the recipes designed for one from the start
Read essayMay 4, 2026
How long do leftovers actually last?
Beyond the USDA's 3–4 days: the variables that actually determine the safe window
Read essayMay 4, 2026
Go deeper
Where this recipe sits in the wider tradition.
Each guide below is a real essay on the cuisine or the category — pillars, staples, techniques worth learning — paired with a curated grid of recipes filed under it.
Ready to cook?
Scale it to your table, then get into the kitchen.
Send this recipe to the main scaler for further editing, or jump straight into Cook Mode for a hands-free walk-through with timers running.