Peanut Butter Bars

12 eggs
6 cups granulated sugar
3 cups brown sugar
2 cups peanut butter
1 cup shortening
2 tablespoons vanilla extract
8 cups all-purpose flour
3 tablespoons baking powder
2 teaspoons salt
Confectioners' sugar

Heat oven to 350 degrees F. Grease 3 (15 x 10 x 1-inch) baking pans.

Cream the eggs, sugars, peanut butter, shortening and vanilla extract until smooth.

Combine flour, baking powder and salt; gradually add to creamed mixture and mix well. Spread into prepared baking pans. Bake for 20-25 minutes or until top is golden brown. Cool.

Dust with confectioners' sugar.