Hot Dog Casserole Recipe

Ingredients

• 3 tablespoons butter
• 2 tablespoons all-purpose flour
• 1 to 1-1/2 teaspoons salt
• 1/4 to 1/2 teaspoon pepper
• 1-1/2 cups 2% milk
• 5 medium red potatoes, thinly sliced
• 1 package (1 pound) hot dogs, halved lengthwise and cut into 1/2-inch slices
• 1 medium onion, chopped
• 1/3 cup shredded cheddar cheese
• Chopped green onions, optional