Mayonnaise - cooking recipe

Ingredients

1 egg (room temperature)
2 Tbsp. vinegar or lemon juice
1/2 tsp. dry mustard
1 tsp. salt
1 c. salad oil

Preparation

Put egg, vinegar, mustard and salt in blender with 1/4 cup of oil.
Cover and blend about 5 seconds.
Without stopping blender, gradually add remaining oil.
Put in covered container and refrigerate.
Fresh dill weed is a nice addition.