Key Lime Pie Mousse

 Here’s a delightful Key Lime Pie Mousse recipe perfect for a refreshing, no‑bake treat—like a mini Key Lime Pie in a glass! Frequently featured in summer dessert round-ups, this mousse is light, tangy, and easy to put together 

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🧾 Ingredients (serves 4–6)

Crumble / crust layer

• ⅔–¾ cup graham cracker crumbs

• Optional: ½ cup rolled oats (adds extra crunch)

• 2–3 Tbsp melted butter

• 2–3 Tbsp sugar

• Optional: 1 Tbsp flour

Mousse filling

• 1½ cups chilled heavy whipping cream

• ¼ cup powdered sugar (or sugar via a Cool Whip substitute) 

• 1 cup sweetened condensed milk

• ⅓–½ cup fresh key lime juice (approx. 5–10 limes) 

• 1 tsp vanilla extract

• A drop of green food coloring (optional)

• Garnish: lime wedges or zest

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👩‍🍳 Instructions

1. Make the crumble
   Mix crumbs, oats (if using), sugar, and butter. Press or lightly sprinkle into mini glassware or jars. Chill or bake briefly (350 °F, ~10–20 min) until set and cooled 

2. Whip the cream
   Beat the chilled heavy cream with powdered sugar until stiff peaks form. Reserve ~1 cup for topping.

3. Combine lime mixture
   In a separate bowl, whisk together condensed milk, lime juice, vanilla, and coloring.

4. Fold and assemble
   Gently fold the lime mixture into most of the whipped cream until smooth. Spoon mousse over the crumble layer, repeat, and top with reserved whipped cream and lime garnish 

5. Chill
   Refrigerate for at least 1–3 hours to firm up. Serve cold.

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🍋 Variations & Tips

• Ultra-simple version: Omit crumble and oats—layer mousse only for a creamy treat in minutes 

• With cream cheese: Some recipes fold in softened cream cheese or tart Cool Whip for extra body .

• High-protein or low-sugar: Cottage cheese and sugar-free whipped creams make a lighter, protein-rich version 

• Color: Authentic mousse is pale yellow; green coloring is optional 

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🍨 Why It Works

This mousse captures the essence of Key Lime Pie—sweet, tangy, fluffy—without needing a crust bake. It’s ideal for summer entertaining: easy to assemble, can be made ahead, and looks elegant in individual servings 

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🛒 Shopping List

Ingredient	Note
Graham crackers / oats	Crust base
Heavy cream	Chills better for whipped peaks
Sweetened condensed milk	Sweet-tart base
Key lime juice	Fresh or bottled
Vanilla extract	For flavor depth
Lime zest/wedges	Garnish