1 (3 oz.) pkg. lime or lemon Jello
1 c. hot water
1 c. mayonnaise
1 c. crushed pineapple
1/2 c. cold water
3/4 c. grated Cheddar

Dissolve Jello in hot water. Add mayonnaise while Jello is hot. When cool, add 1 cup crushed pineapple and 1/2 cup cold water. Top with grated cheese when Jello is nearly set up.