Follow these simple steps to create an amazing Banana-Strawberry Cheesecake:

1. Prepare the Crust: In a bowl, combine graham cracker crumbs, granulated sugar, and melted butter. Mix until the crumbs are evenly coated and resemble wet sand.

2. Form the Crust: Press the crumb mixture firmly into the bottom of a 9-inch springform pan. Ensure it is even all around. Refrigerate while you prepare the filling.

3. Blend Cream Cheese: In a large mixing bowl, beat the softened cream cheese until smooth and creamy using an electric mixer.

4. Add Sugar and Vanilla: Mix in the powdered sugar and vanilla extract until well blended and fluffy.

5. Incorporate Mashed Bananas: Add the mashed bananas to the cream cheese mixture. Mix until fully combined.

6. Fold in Strawberries: Gently fold in the diced strawberries to incorporate them into the cheesecake mixture. The pieces should be evenly distributed.

7. Whip the Cream: In a separate bowl, whip the heavy cream until soft peaks form. Carefully fold it into the cheesecake mixture for a light and airy texture.

8. Optional Gelatin Step: If you want a firmer cheesecake, dissolve the gelatin in cold water, then microwave for about 10 seconds until fully dissolved. Stir the gelatin into the cheesecake mixture.

9. Pour into Crust: Pour the cheesecake filling over the prepared graham cracker crust, using a spatula to smooth the top.

10. Chill the Cheesecake: Cover the springform pan and refrigerate for at least 2 hours or until set.

11. Prepare for Serving: Once chilled and set, carefully remove the cheesecake from the springform pan. You can garnish with additional slices of banana and strawberries on top before serving, if desired.