1    Egg; whole @ room temp.
2 tb Wine vinegar @ room temp.
1/2 ts Salt
1/2 ts Dry mustard
3/4 c  Vegetable oil @ room temp
Pepper to taste

Place egg, wine vingegar, salt, mustard in machine at low speed and add 1
T. oil. Whiz and then add remainder of oil in a slow stream till thick. *
Oils preferred: peanut, safflower, soy.