Bring a large pot of lightly salted water to a boil. Add noodles and
cook 5 to 7 minutes or until al dente; drain
Melt butter in a large saucepan over medium-high heat. Stir in
onions and garlic, and cook until slightly tender. Mix in mushrooms,
and continue cooking 2 minutes. Place steak strips in saucepan and
cook about 1 minute. Mix in consomme, Burgundy and lemon juice.
Bring to a boil
In a small bowl, thoroughly blend flour with cold water until smooth.
Reduce saucepan heat to low. While stirring constantly, slowly pour
flour mixture into saucepan. Gradually return to boil while stirring
rapidly, until sauce is thick and smooth. Cover saucepan and
continue cooking 5 minutes, stirring occasionally. Remove from
heat, let cool slightly and stir in sour cream. Serve over cooked egg
noodles