Tuna Sweet Corn Mornay GLUTEN FREE Prep time - 20 min. Cooking time - 20 min. Calories - 290 per serve, serves 4 Ingredients 160g gluten free spiral pasta, 100g red onion finely chopped, 100g corn kernels, 150g tuna (drained weight), 100ml full fat milk (if you use low fat milk then [...]