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Easy Mashed Potato Casserole

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By Betty Crocker Kitchens
Updated Sep 1, 2022
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Mmm! This Easy Mashed Potato Casserole recipe is so simple, so cheesy and so supremely satisfying. Even better, you can make it ahead of time! Think of the dish as your perfect potluck offering or yummy dinner side. Let's get cooking!

Easy Mashed Potato Casserole

  • Prep Time 25 min
  • Total 45 min
  • Servings 14
  • Ingredients 8
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Ingredients

  • 2 teaspoons butter
  • 16 medium green onions, sliced (1 cup)
  • 1 medium yellow or orange bell pepper, chopped (1 cup)
  • 4 cups water
  • 1 1/2 cups half-and-half or whole milk
  • 6 tablespoons butter
  • 2 pouches (4.7 oz each) Betty Crocker™ roasted garlic mashed potatoes
  • 1 1/2 cups shredded Cheddar cheese (6 oz)

Instructions

  • Step 
    1
    Heat oven to 350°F. Spray 2-quart casserole with cooking spray. In 10-inch nonstick skillet, melt 2 teaspoons butter over medium-high heat. Cook onions and bell pepper in butter 2 to 3 minutes, stirring occasionally. Remove from heat; set aside.
  • Step 
    2
    In 3-quart saucepan, heat water, half-and-half and butter to boiling; remove from heat. Stir in both pouches of potatoes just until moistened. Let stand about 1 minute or until liquid is absorbed. Beat with fork until smooth.
  • Step 
    3
    Spoon 2 cups of the potatoes into casserole; top with half of the onion mixture and 3/4 cup of the cheese. Spoon another 2 cups potatoes over cheese; carefully spread to cover. Sprinkle evenly with remaining onion mixture. Top with remaining potatoes; carefully spread to cover. Sprinkle with remaining 3/4 cup cheese.
  • Step 
    4
    Bake uncovered about 30 minutes or until hot.

Nutrition

200 Calories
13g Total Fat
5g Protein
17g Total Carbohydrate
0g Sugars

Nutrition Facts

Serving Size: 1 Serving
Calories
200
Calories from Fat
110
Total Fat
13g
19%
Saturated Fat
8g
39%
Trans Fat
0g
Cholesterol
35mg
12%
Sodium
490mg
20%
Potassium
330mg
9%
Total Carbohydrate
17g
6%
Dietary Fiber
1g
5%
Sugars
0g
Protein
5g
% Daily Value*:
Vitamin A
10%
10%
Vitamin C
20%
20%
Calcium
10%
10%
Iron
0%
0%
Exchanges:
0 Starch; 0 Fruit; 1 Other Carbohydrate; 0 Skim Milk; 0 Low-Fat Milk; 0 Milk; 0 Vegetable; 0 Very Lean Meat; 0 Lean Meat; 1/2 High-Fat Meat; 2 Fat;
Carbohydrate Choice
1
*Percent Daily Values are based on a 2,000 calorie diet.

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