Pommes de Terre en Sauce Blanche

Boiled potatoes folded into a plain white onion sauce — a Friday and Lenten supper in Québec homes.

🇨🇦Canada· Quebec
Pommes de Terre en Sauce Blanche — Quebec, Canada
Prep
10 min
Cook
25 min
Total
35 min
Servings
4
Difficulty
Easy
Calories
290 kcal

Ingredients

0 of 8 gathered

Servings
4
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Equipment

  • Saucepan
  • Whisk

Nutrition

Per serving, approximate

Calories
290 kcal
fat
9 g
carbs
44 g
protein
8 g
calories
290

Instructions

  1. 1

    Boil the potatoes in salted water until just tender, then drain.

  2. 2

    Melt the butter and cook the onion gently until translucent without colouring.

  3. 3

    Stir in the flour and cook 2 minutes.

  4. 4

    Whisk in the milk gradually and simmer until the sauce coats a spoon.

  5. 5

    Season well, then fold the potatoes through and warm for 5 minutes.

  6. 6

    Scatter with parsley and serve.

Chef's tips

Season the sauce more than feels right — potatoes flatten it quickly.

Ingredient substitutions

  • milkhalf milk and half potato cooking water for a lighter sauce

Storage

Keeps 2 days; loosen with milk when reheating.

Common mistakes to avoid

  • Lumpy sauce from adding milk too fast

Serving suggestions

Serve with boiled eggs or salt cod on meatless days

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