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The “Slurry”: In a large bowl, whisk together the sweetened condensed milk and ice-cold water until smooth. Add the pudding mix and whisk vigorously for 2 minutes. Cover and refrigerate for at least 1 hour to let it set firmly.
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The Fold: Gently fold your whipped cream into the chilled pudding mixture. Do this slowly so you don’t deflate the air—you want a light, cloud-like mousse, not a heavy cream.
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The Foundation: In a glass trifle bowl or a 9×13 baking dish, start with a layer of vanilla wafers.
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The Fruit: Add a single, crowded layer of banana slices over the cookies.
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The “Dream” Layer: Spread a thick layer of the pudding mixture over the bananas, ensuring they are completely covered (this prevents them from turning brown).
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The Repeat: Repeat the layers until you reach the top of the dish.
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The Crown: Finish with a final layer of pudding. Crush the remaining vanilla wafers into a coarse sand and sprinkle them over the top.
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The Long Sleep: This is the hardest part: Refrigerate for at least 4–6 hours. The moisture from the pudding needs time to soften the cookies until they have the texture of a sponge cake.
3 Tips for Perfection
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The Banana “Ripeness” Rule: Use bananas that are yellow with just a few brown spots. If they are too green, they lack flavor; if they are too black, they become mushy and release too much liquid into the pudding.
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Cold Is Key: Ensure your water is truly ice-cold when mixing the pudding. It helps the gelatin in the instant mix set properly and creates a much cleaner “break” when you scoop it.
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The Lemon Spritz: If you are worried about the bananas browning, toss the slices in a tiny bit of lemon juice before layering. The acidity slows down oxidation without changing the flavor.
