Gluten-free Macaroni and Cheese Recipe from USA with Tomatoes, Cheddar, and Ham

Ingredients

• 2 x 15 oz (425 g) cans of diced tomatoes
• 2 tbsp of butter or margarine
• 2 tbsp of gluten -free flour mixture
• 2 cups of milk
• 1.5 cups of shredded cheddar cheese (6 oz (170 g))
• 1 tsp of salt
• 0.25 tsp of pepper
• 8 oz (227 g) of gluten -free macaroni
• 2 cups of cooked ham , cut into cubes (optional)