Super Stuffed Baked Apples a la Mode

4 large McIntosh or Empire apples, cored

1 tablespoon lemon juice

3/4 cup brown sugar

1/4 cup instant oatmeal mix or rolled oats

1/4 teaspoon nutmeg, a healthy grating

1 teaspoon ground cinnamon

4 tablespoons butter, cut into pieces

2 ounces, 1/8 cup, golden raisins, chopped

1/4 cup chopped walnuts or walnut pieces or pecans

1 pint Dulce de Leche (caramel) ice cream or caramel swirl ice cream

Whipped cream, in a canister