Overnight Cornbread Salad

2 (8 ounce) packages dry corn bread mix

1 red onion, chopped

1 green bell pepper, chopped

1 tomato, chopped

4 cups mayonnaise

Prepare cornbread according to the box instructions. Cool, crumble and place in a large bowl.

Mix in red onion, bell pepper, tomato, and mayonnaise. Cover, and refrigerate for at least 18 hours.