Homemade Dog Biscuits

2 1/2 cups whole wheat flour
1/2 tsp garlic powder
1 tsp brown sugar
1/2 cup podered milk
1/2 tsp. salt
6 Tbsp margarine
1 egg
ice water

1.  Combine the first 5 ingredients
2.  Cut in margarine until mix resembles cornmeal.
3.  Mix in beaten egg.
4.  Add enough ice water (app 1/2 cup) to form a ball
5.  Pat out dough 1/2" thick, cut into shapes
6.  Bake at 350 degrees fahrenheit for 25-30 minutes