Preheat oven to 400º.
Grease 12 regular-size muffin tins and set aside.
In a medium mixing bowl, combine flour, granulated sugar, baking powder, cinnamon, salt, nutmeg, allspice and ginger.
In a separate mixing bowl, combine egg, half and half and oil.
Add wet ingredients to dry ingredients and mix just until moistened.
Do not overmix!
Spoon a rounded tablespoon of batter into each muffin cup.
Top each muffin cup with a rounded teaspoon of thick apple butter.
Use a knife or spoon to get the apple butter in the center of each muffin so the apple butter doesn’t touch the sides of the muffin tin.
Spoon another rounded tablespoon of batter on top of apple butter until each tin is about 2/3 full.
Combine topping ingredients; sprinkle evenly over top of each muffin.
Bake muffins at 400º for approximately 15-18 minutes, or until a toothpick inserted in center comes out clean.
Cool in baking tin for 10 minutes before removing to wire rack to cool completely.