'Secret' Salad Dressing - cooking recipe

Ingredients

1/2 cup ketchup
1 cup vegetable oil
1/4 cup mayonnaise
1/4 cup white vinegar
1/4 cup white sugar
1/4 cup diced onion
1 teaspoon salt
1/4 teaspoon pepper

Preparation

Combine the ketchup, vegetable oil, mayonnaise, vinegar, sugar, onion, salt, and pepper in a blender; blend until smooth. Store in refrigerator.