Keto Baklava Cake Recipe

Name: Keto Baklava Cake Recipe
Ingredients: 1 cup chopped nuts (pistachios, walnuts, pecans, etc. ); 3 tbsp butter, melted; 2 tbsp brown sugar substitute; 2/3 cup sour cream; 3 large eggs; 2 tsp vanilla extract; 2 cups almond flour; 2/3 cup brown sugar substitute; 1/3 cup unflavored whey protein powder (or egg white protein); 1/3 cup coconut flour; 1 tbsp baking powder; 1 teaspoon cinnamon or cardamom; 1/4 tsp salt; 1/4 cup water (if needed); 1/4 cup allulose honey; 1/4 cup water; 2 tbsp Swerve Confectioners; 2 teaspoons lemon juice