Grandma's Heavenly Onions


Delicious and unusual. Grandma really knows how to cook!

Prep Time:
20 mins
Cook Time:
50 mins
Additional Time:
11 hrs 40 mins
Total Time:
12 hrs 50 mins
8 to 12 servings


  • 1 tablespoon butter

  • 4 large sweet onions, sliced

  • ½ pound Swiss cheese, shredded

  • 10 slices Italian bread

  • ¼ cup butter, softened

  • ½ cup milk

  • 1 (10.75 ounce) can condensed cream of mushroom soup

  • 3 teaspoons soy sauce

  • salt and pepper to taste


  1. In a large skillet over medium heat, melt butter and saute onions until translucent. Transfer onions to a 9x12 inch casserole dish and sprinkle cheese over onions. Spread butter on both sides of the bread, then lay the bread over the cheese.

  2. In a medium bowl combine milk, soup, soy sauce, salt and pepper. Mix well and pour over bread. Cover and refrigerate over night.

  3. Preheat oven to 350 degrees F (175 degrees C).

  4. Bake in preheated oven for 40 minutes.

Nutrition Facts (per serving)

247 Calories
15g Fat
20g Carbs
10g Protein
Nutrition Facts
Servings Per Recipe 10
Calories 247
% Daily Value *
Total Fat 15g 19%
Saturated Fat 8g 42%
Cholesterol 37mg 12%
Sodium 494mg 21%
Total Carbohydrate 20g 7%
Dietary Fiber 2g 6%
Total Sugars 4g
Protein 10g
Vitamin C 5mg 23%
Calcium 227mg 17%
Iron 1mg 6%
Potassium 169mg 4%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.