Mystery Cookies - cooking recipe

Ingredients

1 1/4 c. self-rising flour
2 c. brown sugar
2 sticks melted margarine
1 tsp. vanilla
1 c. chopped pecans
2 eggs, beaten

Preparation

Mix ingredients and pour into oblong greased pan.
Bake at 300\u00b0 or 350\u00b0
for 45 minutes.
Cool and cut into squares.
Roll in powdered sugar.