Vegetarian · Side dish · Classic

White Sauce Onions On Toast

2.5 hours 4 serves 7 ingredients

White Sauce Onions On Toast

Ingredients

  • Onions (equal size, as needed)
  • Water (for boiling)
  • 1/2 cup milk
  • 1 oz butter
  • 2 tsp cornstarch
  • Salt and pepper to taste
  • Toast slices (for serving)

Method

  1. 1 Boil whole onions in plenty of water for 2 to 2.5 hours until tender. Drain them, reserving the cooking liquid for other uses.
  2. 2 In a saucepan, combine milk, butter, salt, and pepper. Bring to a boil.
  3. 3 Thicken the milk mixture by stirring in cornstarch. Boil the sauce again briefly to ensure it thickens properly.
  4. 4 Place boiled onions on a hot dish over slices of toast. Pour the hot white sauce over the onions and serve immediately.