Baked Tomato Mac n Cheese Casserole

Ingredients (10)

• + 1 (16 ounce) package elbow macaroni add to pantry
• + 1 (28 ounce) can petite diced tomatoes add to pantry
• + 6 tablespoons butter add to pantry
• + ¼ cup flour add to pantry
• ✓ 1 quart half-and-half
• + 2 cups chicken broth add to pantry
• + 4 cups shredded mild Cheddar cheese add to pantry
• + 2 cups shredded sharp white Cheddar cheese add to pantry
• + fresh ground black pepper to taste add to pantry
• + 1 sleeve buttery round crackers (such as Ritz®), crushed add to pantry