Ingredients
- 2 1/2 pounds red potatoes
- 1 onion
- 3 tablespoons butter
- 3 tablespoons flour
- 1 teaspoon dry mustard
- 2 cups milk
- 1 cup cheddar cheese
- 1/2 cup Gruyere cheese
- salt
- pepper
Nutrition
- Calories : 290 calories
- Carbohydrate : 31 grams
- Cholesterol : 40 milligrams
- Fat : 13 grams
- Fiber : 4 grams
- Protein : 12 grams
- SaturatedFat : 8 grams
- Sodium : 290 milligrams
- Sugar : 6 grams
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