Perfect Pumpkin Muffins

2 c. whole wheat flour
2 tsp baking powder
1/2 cube melted butter
1 tsp cinnamon, allspice, soda
1/2 tsp salt, ginger
1/4 tsp cloves
2 eggs
1 can pumpkin
1/2 c. buttermilk
1 c. sugar

Mix all ingredients until smooth. Bake in muffin tins at 400 for 25 minutes.