
Nothing says summer quite like a tart key lime pie. That being said, when you're not in the mood to make a whole pie (or are looking for the cutest shareable dessert), then this mini dessert is the one for you. This mousse is every bit as refreshing, with a fluffy texture and a crispy oat crumble we could eat on its own. The sweet and tart combo hits all of the right notes for a quintessential summer dessert—it's the perfect refreshing bite after too-hot days in the sun.
Concerning the limes: Key limes are more tart than traditional limes; they’re worth finding for this mousse. We promise, your effort will be more than rewarded. 😉
Have you made this yet? Let us know how it went in the comments below!
Ingredients
For the crumble
- 4
graham crackers
- 3/4 cup
rolled oats
- 1/3 cup
packed light brown sugar
- 3 Tbsp.
all-purpose flour
- 6 Tbsp.
cold butter, cubed
For the mousse
- 1 1/2 cups
heavy cream
- 1/4 cup
powdered sugar
- 1 cup
sweetened condensed milk
- 1/3 cup
freshly squeezed key lime juice
- 1 tsp.
pure vanilla extract
Green food coloring (optional)
Key lime wedges, for garnish
Directions
- Step 1Preheat oven to 350°. In a food processor, pulse graham crackers into fine crumbs. In a medium bowl, combine crushed graham crackers, oats, brown sugar, and flour. Add butter and use your hands to cut into mixture until pea-sized and mixture starts to hold together. Spread mixture into an even layer on a baking sheet. Bake until golden and crisp, about 20 minutes, stirring halfway through. Let cool.
- Step 2Make mousse: In a large bowl, using a hand mixer (or in the bowl of a stand mixer fitted with the whisk attachment), beat cream and powdered sugar into stiff peaks. Remove about 1 cup of whipped cream to reserve for topping.
- Step 3In a medium bowl, combine condensed milk, lime juice, vanilla, and a small drop of food coloring, if using. Add to bowl of whipped cream. Gently fold in until just combined.
- Step 4Assemble: Add about ¼ cup of crumble to the bottom of 4 glasses. Top with two large spoonfuls of mousse, then repeat with another layer of crumble and mousse.
- Step 5Place reserved whipped cream in a piping bag fitted with a large closed star tip, and pipe onto mousse. Top with any remaining crumble and a lime wedge in each glass.
- Step 6Keep refrigerated until ready to serve.