Gromit's Spicy Mac and Cheese

For those who like a kick, cook 200g of macaroni. In a pot, melt 100g of butter, add 100g of flour, and whisk in 500ml of milk. Stir in 300g of cheese and add 1 tsp of cayenne pepper. Combine with the macaroni and bake at 190°C for 20 minutes.