Crockpot Apple Pie

Crock pot Apple Pie
8 apples -- tart, peeled and sliced
1 1/4 teaspoons cinnamon
1/4 teaspoon allspice
1/4 teaspoon nutmeg
3/4 cup skim milk
2 tablespoons margarine/butter
3/4 cup sugar substitute (or 1 1/2 cups sugar)
1/2 cup egg substitute
1 teaspoon vanilla extract
1-1/2 cup Reduced Fat biscuit baking mix, divided
1/3 cup brown sugar
3 tablespoons cold butter

Toss apples in large bowl with cinnamon, allspice, and nutmeg. Place in lightly greased crock pot. Combine milk, softened butter, sugar, eggs, vanilla, and 1/2 c biscuit mix. Spoon over apples. Combine the 1 cup biscuit mix and brown sugar. Cut the cold butter into mixture until crumbly. Sprinkle this mixture over top of apple mixture. Cover and cook on low 6-7 hours or until apples are soft.