Cauliflower & Onion Gratin

Cauliflower & Onion Gratin Recipe

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Alice C


Nice and easy side dish.


☆☆☆☆☆ 0 votes

20 Min
30 Min


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  • 1 large
    cauliflower, cut into florets
  • 1 large
    onion, cut into chunks
  • 1/4 c
  • 1/4 c
  • 1 c
    cooking liquid, drained from vegetables
  • 1 c
    cream (half & half)
  • 1 pinch
    dry mustard
  • 1 tsp
    salt & pepper to taste

  • 2 Tbsp
  • 1/4 c
    italian bread crumbs

How to Make Cauliflower & Onion Gratin


  1. Cook vegetables in boiling water for 5 minutes. Drain, reserving 1 cup of liquid. Place vegetables in a casserole dish. Set aside.
  2. In a heavy saucepan melt 1/4 cup butter. Stir in flour and cook, stirring for 3 minutes. Gradually stir in reserved liquid, then the cream. Cook, stirring constantly until liquid comes to a boil. Add mustard, salt and pepper.
  3. Pour sauce over vegetables.
  4. Preheat oven to 375 F. In a small saucepan, melt 2 tablespoons of butter. Add bread crumbs and mix until combined. Sprinkle on top of vegetables. Bake for 30 minutes.

Printable Recipe Card

About Cauliflower & Onion Gratin

Course/Dish: Side Casseroles
Main Ingredient: Vegetable
Regional Style: Canadian

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