Beef Pot pie with potato biscuit crust

This is from a recent issue Woman's World
1/2 pound cooked deli roast beef, cubed, 1 1/2 cups
2 cups frozen mixed vegetables 9 ounces
1/2 cup chopped onion
1 (12 ounce) jar beef gravy
2/3 cups dry mashed potatoes
2/3 cup hot water
1 1/2 cup Bisquick baking mix
1/3 cup milk
1 Tablespoons dried chives

Preheat oven to 375F in 2 quart pot, heat beef, frozen vegetables, onion and gravy to  boiling over medium heat, stirring often, Boil stirring 1 minute. Keep warm.

In medium bowl, stir potatoes and hot water until well mixed; let stand untill water is absorbed. Stir into Bisquick mix, , milk and chives  until dough forms.
Place dough on surface sprinkled with Bisquick mix, gently roll in Bisquick mix to coat. Shape into ball; knead 10 times. Pat 11"x7" rectangle. Fold dough into thirds.

Pour beef mixture into ungreased 11"x7" glass baking dish. Carefully unfold dough onto beef mixture. Bake 30-35 minutes or until crust is golden brown.