Whip heavy whipping cream, Logica, and vanilla until stiff peaks form. Slowly add coconut milk, whipping on high speed. Pour mixture in airtight container and put in freezer. Prepare Fudge Brownies according to package instructions, break in small pieces, and store in refrigerator. Stir ice cream every hour, adding brownie pieces and a drizzle of chocolate syrup once ice cream has reached the consistency of soft-serve ice cream (about 6 hours).
Preheat oven to 350 degrees, and line a 9×13 baking dish with parchment. Cream butter and erythritol until smooth, and slowly mix in coconut flour. Add in eggs, baking powder, and vanilla, mixing until combined. Press dough into the base of the pan and bake for 15-20 mins or until edges of lightly golden. Let cool completely.
In a small bowl, soak gelatin in 1 tbsp of water. Combine eggs, lemon extract, lemon juice, and erythritol and heat in double boiler. Stiring constantly, bring mixture to 170 degrees. Remove from heat and whisk in prepared gelatin. Let mixture cool to 120 degrees before transfering to a food processor. Add butter and blend until smooth. Pour over cookie crust and let chill for 2-3 hours or until set. Cut into 40 squares.
Pour coconut milk and heavy-whipping cream into a blender. Add protein powder and jello powder. Pulse until thoroughly combined. Turn off blender and add a cup of ice. Blend. Keep adding ice and blending until protein shake is desired thickness. Pour into glasses, and if desired top with whipped cream and Chocolate Chip Brownie crumbles.