Mayonnaise - cooking recipe

Ingredients

1 egg
2 Tbsp. lemon juice
1 Tbsp. vinegar
1 tsp. mustard
1 tsp. salt
1 to 1 1/2 c. oil

Preparation

Combine all ingredients, except oil, in blender.
Cover and blend at high speed for 30 seconds.
With blender on medium speed, slowly add oil.
When it bubbles, it is done.