INGREDIENTS
•
1/2 cup butter, cubed
•
1/3 cup all-purpose flour
•
2 teaspoons salt, divided
•
2 teaspoons pepper, divided
•
4 cups milk
•
7 large potatoes, peeled and thinly sliced
•
2 medium onions, chopped
•
8 cups (32 ounces) shredded cheddar cheese