Pleasing Potato Pizza

Ingredients (10)

• 1 pound bacon strips, chopped
• 1 large onion, chopped
• 1/2 cup chopped sweet red pepper
• 2 pounds potatoes (about 3 large), peeled and cut into 1-inch cubes
• 1 tube (13.8 ounces) refrigerated pizza crust
• 1/4 cup 2% milk
• 1/4 teaspoon salt
• 1-1/2 cups shredded cheddar cheese
• 1-1/2 cups shredded part-skim mozzarella cheese
• Optional: Minced fresh chives and sour cream