Cheese Sauce simple and cheeesy! By Guest Contributor January 23, 2011 Quick Preparation Time Cook Time Servings0Ingredients75g cheddar cheese25g margarine or butter25g plain flour250ml semi – skimmed milkblack pepperInstructions Step 1: 1. Grate the chhese on a chopping board. Step 2: 2. Place the margarine or butter, flour and milk into a small saucepan. Step 3: 3. Bring the sauce to a boil, whisking it all the timeuntil it has thickened. Step 4: 4. Reduce the heat and allow to simmer for 2 minutes. Step 5: 5. Stir in the grated cheese.