Homemade Miracle Whip

I found this recipe for homemade Miracle Whip in the local paper. Miracle Whip is not available where I live, so it's nice to have a jar of this in the fridge.

• Ready In: 20 mins
• Serves: 68
• Yields: 1/2 liter

Ingredients

• 2  egg yolks
• 1⁄2 teaspoon salt
• 1  tablespoon powdered sugar
• 3  tablespoons lemon juice or 3  tablespoons vinegar
• 1 1⁄2 cups  oil
• 1 1⁄2 tablespoons flour or 1 1⁄2 tablespoons cornstarch
• 1  teaspoon dry mustard
• 1⁄2 cup boiling water
• 2  tablespoons vinegar
•  salt

Directions

1. Using a blender or electric mixer, blend egg yolks, salt, sugar and 1 tablespoons of the lemon juice.
2. Slowly pour in 1 cup oil, a few drops at a time, mixing thoroughly.
3. Add remaining 1/2 cup oil a little faster, carefully blending in each bit before adding the remaining 2 tablespoons lemon juice.
4. Mix the flour, mustard, boiling water and vinegar together until smooth.
5. Pour into a small saucepan and cook until smooth and paste-like (but not too thick).
6. Slowly add this hot mixture to the mayonnaise and blend well.
7. Pour in a container and cool in the refrigerator.