Heat oven to 400°
Cut beef steak lengthwise in half, then crosswise into ¼ in thick strips
Heat oil in large ovenproof skillet over medium high heat until hot.
Add beef, cook 1 to 2 minutes or until outside surface of beef is no longer pink. Remove.
Combine mushrooms, onion, ¼ cup water and garlic in the same skillet.
Cook and stir 3 minutes or until onion is tender.
Stir in gravy, vegetables and thyme; bring to a boil.
Remove from heat; stir in beef.
Cut biscuits in half; arrange in a ring on top of beef mixture.
Bake 12 to 14 minutes or until biscuits are golden brown.