INGREDIENTS
1 cup
French fried onions
1 14.5 ounce can
Green beans, whole no salt added
2
lbs Russet potatoes
2
Black pepper, freshly ground
1
Kosher salt
1/2 tsp
Kosher salt
2 tbsp
Butter, unsalted
1 cup
Cheddar cheese, sharp
3/4 cup
Mozzarella
6 tbsp
Parmesan, grated
1/2 cup
Whole milk
½ tbsp & ¼ cup unsalted butter