Pineapple Pecan Muffins

Pineapple Pecan Muffins 2 c. all purpose flour 2 tsp. baking powder 1 tsp. baking soda 1/2 c. chopped pecans 1/2 c. margarine, melted 1/2 c. sugar 2 eggs 1 can crushed pineapple, undrained (8 1/4 oz.) Mix margarine, sugar, eggs and pineapple. Add to dry ingredients. Bake at 375 degrees for 10-20 minutes, until brown. Makes 12 large muffins