Pumpkin chocolate chip muffins

2 cups whole wheat flour

1 1/2 cups flour

1 1/2 cups sugar

2 Tablespoons  pumpkin spice

2 teaspoons soda

1teaspoon salt

1/2 teaspoon baking powder

4 eggs

2 cups pumpkin

1/2 cup melted butter

3/4 cup Greek or plain yogurt

2 cups chocolate chips

Makes 28 

Cook 350 degrees. For 20 to 25 minutes