Peanut Butter Brownies

From Cooking with the Horse & Buggy People II

• 3/4 cup shortening


• 3/4 cup peanut butter


• 2 1/4 cups sugar


• 5 eggs


• 1 1/2 tsp vanilla


• 1 1/2 cups all-purpose flour


• 1 1/2 tsp baking powder


• 3/4 tsp salt


• 1 1/2 cups chocolate chips


• 3/4 cup chopped peanuts

Put in a 10x15 pan at 350F for 30 minutes.