Sausage sandwich squares recipe

Ingredients

• 3 3-1/2 cups all-purpose flour
• 1 package (1/4 ounce) active dry yeast
• 1/2 teaspoon salt
• 1-1/3 cups warm water
• 1 pound bulk mild Italian sausage
• 1 medium sweet red pepper, diced
• 1 medium green pepper, diced
• 1 large onion, diced
• 4 cups (16 ounces) shredded mozzarella cheese
• 1 egg
• 1 Tablespoon water
• 2 Tablespoons grated Parmesan cheese
• 2 Tablespoons minced fresh parsley
• 1/2 teaspoon dried oregano
• 1/8 teaspoon garlic powder