Megan's Fruit Salad

1 can pineapple tidbits
2 cans (small) mandarin oranges
2 eggs
1 cup Sugar
1/4 cup cornstarch
2-3 bananasDrain pineapple and mandarin oranges into sauce pan, add eggs, sugar and corn starch lemon juice, whisk. Set drained fruit in bowl, refrigerate. Heat over medium-high heat until it boil bubbles to the custard stage. Cover with Saran, refrigerate until cool, can put in freezer to speed up. When cool mix fruit, custard, and cut bananas, chill.