Fudge

1 stick butter or margarine
1/4 c milk
1 T vanilla
1 lb powdered sugar
1/2 c nuts (optional)
flavoring options: 1/2 c cocoa; 1/4 c peanut butter; 1 t extract (maple, mint, citrus...); basically any flavor or mixture of flavors you want

Melt butter in saucepan on stovetop over medium heat. Whisk in milk, vanilla, & flavoring. Turn to low heat. Whisk in powdered sugar til smooth. Mix in nuts. Pour into buttered 9x9 pan. Chill in refrigerator til firm (or freezer for faster time). Store in refrigerator.