01 -
Preheat oven to 350°F. In a medium bowl, combine softened butter, sugar, and vanilla extract. Mix until light and fluffy. Add eggs one at a time, beating after each addition. Gradually mix in flour and cocoa powder until well combined. Fold in mini chocolate chips. Line a 9x13-inch baking sheet with parchment paper and spread the batter evenly to a thickness of 1 inch. Bake for 12-15 minutes or until a toothpick inserted in the center comes out with only a few crumbs. Allow to cool for 30 minutes before cutting into heart shapes.
02 -
Combine gelatin and cold water in a small bowl and allow to bloom for 5-10 minutes. In a saucepan over medium-low heat, combine frozen raspberries and sugar. Stir occasionally until raspberries are melted. Remove from heat and mix in bloomed gelatin until completely dissolved. Strain the raspberry mixture through a sieve to remove seeds and extract juice. Let the raspberry sauce cool to room temperature.
03 -
In a mixing bowl, combine heavy whipping cream, powdered sugar, and vanilla extract. Beat until stiff peaks form. Gently fold in raspberry sauce in increments of 1/4 cup, adding up to 1 cup of the sauce.
04 -
Divide raspberry mousse evenly into silicone molds. Place brownie hearts on top of the mousse. Set molds on a cookie sheet and freeze for 4 hours or overnight. Do not invert the molds at this stage.
05 -
After freezing, remove desserts from molds. Let them sit at room temperature for 15-20 minutes before serving.