Microwave Peanut Butter Fudge

Ingredients:
- 2 sticks margarine
- 1 lb. powdered sugar
- 2/3 c. peanut butter
- 1 tsp. vanilla

Directions:
- Melt margarine and peanut butter in the microwave.
- Stir in powdered sugar and vanilla.
- When completely blended, press into an 8 x 8 x 2-inch pan.
- Chill and cut into pieces.