Esther's Steak Stroganoff

1 1/2 lb sirloin or round steak
1 clove garlic
3 Tbls flour
 1 3/4 salt
1/4 tsp pepper
1 tsp paprika
1/4 c shortening
1/2  c finely cut onion
1 can consomme
1/2 can water
1 lg can mushrooms. sliced
1/2 c sour cream
2 Tbls finely cut chives or parsley