Tangy Tomato Tuna Casserole

Ingredients (10)

• + 1 (8 ounce) package elbow macaroni add to pantry
• + 2 (8 ounce) cans tomato sauce add to pantry
• ✓ 2 (7 ounce) cans tuna, drained
• + 1 (8 ounce) container cottage cheese add to pantry
• + 1 onion, minced add to pantry
• + 1 (4 ounce) package cream cheese, softened add to pantry
• + ¼ cup sour cream add to pantry
• ✓ 1 teaspoon salt
• + ½ cup bread crumbs add to pantry
• + 2 tablespoons butter, melted add to pantry