01 - Preheat oven to 350°F. Grease a 9-inch springform pan and line bottom with parchment paper.
02 - Beat egg whites with half of the granulated sugar until stiff peaks form.
03 - Whisk egg yolks with remaining sugar. Mix in melted butter and vanilla. Fold in almond flour, all-purpose flour, and salt. Gently fold in egg whites.
04 - Pour batter into prepared pan. Bake for 20 to 25 minutes until golden and toothpick inserted comes out clean. Cool completely in pan.
05 - Soak gelatin sheets in cold water for 5 minutes or bloom powdered gelatin in 3 tablespoons cold water.
06 - Heat raspberries, sugar, and lemon juice in saucepan over medium heat until berries break down. Purée and strain through fine mesh sieve to remove seeds.
07 - Warm 3 tablespoons raspberry purée and dissolve gelatin. Stir back into remaining purée. Cool to room temperature.
08 - Whip cold heavy cream to soft peaks.
09 - Fold cooled raspberry mixture into whipped cream until smooth and fully incorporated.
10 - Place cooled almond sponge in cleaned springform ring. Spread raspberry mousse evenly over sponge. Refrigerate for 2 hours until set.
11 - Soak gelatin in cold water. Heat raspberry purée and sugar until warm. Dissolve gelatin. Cool slightly.
12 - Pour glaze gently over set mousse layer. Refrigerate at least 1 hour until glaze is completely set.
13 - Release cake from springform pan. Garnish with fresh raspberries and mint leaves. Slice and serve chilled.