Cook potatoes until done (either by microwaved, boiled, or baked in oven) and then set aside and keep warm.
Sprinkle steaks evenly with 1/4 teaspoon pepper and 1/8 teaspoon salt and any of your favorite herbs and spices.
Heat oil in a large nonstick skillet over medium-high heat.
Reduce heat to medium.
Add steaks to pan; cook 2 minutes on each side or until desired degree of doneness. Remove from pan; keep warm.
Add mushrooms to pan; cook 5 minutes or until tender and beginning to brown, stirring frequently.
Combine wine, 1/2 cup water, flour, 1/8 teaspoon pepper, and 1/8 teaspoon salt; stir well with a whisk.
Add wine mixture to pan; bring to a boil.
Cook 2 minutes or until thick; stir constantly. Remove from heat.
Mash the warm potatoes.
Stir in chives and garlic powder.
Place small mounds of potatoes on each plate.
Top each mound of mashed potatoes with 1 steak and about 1/4 cup mushroom sauce.