Real Recipes From Real Home Cooks ®

caramelized onion scalloped potatoes

(1 rating)
Recipe by
Alice C
Richmond Hill, ON

The key to this potato casserole is the caramelized onions. Very flavourful. My family loved this version of scalloped potatoes.

(1 rating)
yield 8 serving(s)
prep time 20 Min
cook time 1 Hr 45 Min
method Bake

Ingredients For caramelized onion scalloped potatoes

  • 4 lg
    sweet onions, thinly sliced
  • 1 c
    butter, divided
  • 1/3 c
    flour
  • 6 lg
    yukon gold potatoes, thinly sliced
  • 3 c
    heavy cream or half & half
  • 3 sprig
    fresh rosemary
  • 1 Tbsp
    salt
  • 1 tsp
    ground pepper
  • 1/4 c
    parmesan cheese, grated

How To Make caramelized onion scalloped potatoes

  • 1
    Put onions and 1/2 cup of butter into a large skillet over low heat. Cook, stirring occasionally, until the onions have caramelized, approx 40 minutes.
  • 2
    Preheat oven to 350 degrees. Coat a 9 x 13 inch baking dish with cooking spray.
  • 3
    In a medium saucepan, melt 1/2 cup of butter. Add flour and brown lightly, stirring constantly. Add cream, salt & pepper. Stir on medium heat just until the sauce starts to thicken. Remove from heat.
  • 4
    Place a layer of sliced potatoes on the bottom of the pan. Cover with a 1/4 of the onions. Pour 1/4 of the cream mixture over the onions. Sprinkle some of the fresh rosemary over the layer.
  • 5
    Repeat layers 4 times. Sprinkle parmesan over the casserole and bake for 1 hour until golden brown and sauce is bubbly.

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