Banana Coconut Cream Croissant Cannolis

Name: Banana Coconut Cream Croissant Cannolis
Ingredients: 1 3.4 oz size box Instant French vanilla or vanilla pudding mix; 1 1/2 cup with additional 3 tablespoons Half-and-Half, divided; 3 cup sweetened flaked coconut, divided; 1 cup Macadamia nuts, finely chopped; 8 medium Bakery croissant roles; 4 medium Ripe Bananas, peeled, divided,; 1 tablespoon freshly squeezed lemon juice; 1 8 oz. size container, Mascarpone cheese, softened; 2 cup powdered sugar, divided; 1/2 teaspoon Coconut flavored or pure vanilla extract