1/4 cup margarine
5 slices English breakfast bread, quartered
4 eggs
1/4 teaspoon packed brown sugar
2 tablespoons super- sharp cheese then cut into 1-inch cubes
6 tablespoons mayonnaise
1 teaspoon lemon juice
1 (16 ounce) can tomato paste
1 cup chopped celery
1 (1 ounce) package (20 ounce) package margarine, softened