This white sauce is used in cookbooks as a base for meals. Course Portions Servings 20 cups Prep Time 5 mins Cook Time 20 mins Passive Time 10 mins Ingredients 2 1/2 margarine (cups)3 1/2 cups plain flour (for sauce)15 cups milk (3 3/4 Litres)10 tsp stock GO Mix2 tsp veg stock powder dilute in a little water Instructions Whisk the marg and flour on low heat. Slowly whisk in the milk until the sauce thickens. Add the Stock GO Mix and extra stock. Add salt and pepper to taste. Cool slightly before decanting into jugs.