Make-Ahead Potato-Onion Gratin

  • Prep 20 min
  • Total 9 hr 40 min
  • Ingredients 9
  • Servings 26

Ingredients

  • 2 tablespoons plus 1/4 cup butter or margarine
  • 1 large onion, chopped (1 cup)
  • 1 teaspoon kosher (coarse) salt
  • 1/2 teaspoon ground black pepper
  • 1 1/2 cups Progresso™ reduced-sodium chicken broth (from 32-oz carton)
  • 1 1/2 cups whipping cream
  • 15 cups frozen shredded hash brown potatoes (from two 30-oz bags)
  • 1 cup finely shredded Parmesan cheese
  • 3 cups soft white bread crumbs (about 4 slices bread)

Steps

  • 1
    Spray 13x9-inch (3-quart) glass baking dish with cooking spray, set aside.
  • 2
    In 5-quart Dutch oven, melt 2 tablespoons of the butter over medium heat, Stir in onion, salt and pepper; cook, stirring occasionally, about 5 minutes or until softened and golden brown.
  • 3
    Stir in broth and cream; heat just to boiling over medium heat, stirring frequently. Remove from heat; fold in potatoes. Stir in Parmesan cheese. Spread in baking dish. Cover with foil; refrigerate up to 24 hours.
  • 4
    Heat oven to 350°F. Bake uncovered 30 minutes.
  • 5
    Meanwhile, in small microwavable bowl, microwave remaining 1/4 cup butter uncovered on High 15 to 20 seconds or until melted. Stir bread crumbs into melted butter; set aside.
  • 6
    Remove potatoes from oven; sprinkle bread crumbs on top. Return to oven; bake 40 to 50 minutes longer or until topping is golden brown and edges are bubbly. Let stand 5 minutes before serving.

  • Save time--and tears--by using frozen chopped onion, measured directly from the package.
  • Kosher salt has larger grains than ordinary table salt and contains no additives.

Nutrition Facts

Serving Size: 1 Serving
Calories
240
Calories from Fat
80
Total Fat
9g
14%
Saturated Fat
5g
26%
Trans Fat
0g
Cholesterol
25mg
9%
Sodium
320mg
14%
Potassium
440mg
13%
Total Carbohydrate
34g
11%
Dietary Fiber
3g
12%
Sugars
3g
Protein
5g
% Daily Value*:
Vitamin A
4%
4%
Vitamin C
8%
8%
Calcium
8%
8%
Iron
6%
6%
Exchanges:
1 Starch; 0 Fruit; 1 Other Carbohydrate; 0 Skim Milk; 0 Low-Fat Milk; 0 Milk; 0 Vegetable; 0 Very Lean Meat; 0 Lean Meat; 0 High-Fat Meat; 2 Fat;
Carbohydrate Choice
2
*Percent Daily Values are based on a 2,000 calorie diet.
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