Ingredients:
1 cup oatmeal
1 3/4 cups all-purpose flour
2 tbsp. sugar
2 tsp. baking powder
1/2 tsp. baking soda
1/4 tsp. salt
6 tbsp. cold butter, cut up
2/3 cup buttermilk or yogurt or 2/3 cup milk + 2/3 tbsp. lemon juice
1 egg yolk
1/2 cup peanut butter, creamy
