Pimento Cheese Spread

1 small can evaporated milk
1/2 pound cheese, shredded
1 small jar pimentos, mashed
1/2 teaspoon salt
1 teaspoon granulated sugar
1 heaping tablespoon mayonnaise

Place milk in top of a double boiler. Just as the water in the bottom of the boiler begins to boil, add cheese to milk. When it starts to thicken, remove from heat.