Keto almond cake

Name: Keto almond cake
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American
Ingredients: 1.5 cups Almond flour; 1/2cup coconut flour; 1/2 cup butter; 1 cup swerve sweetner; 4 eggs; 1/2 cup half and half cream; 2teaspoon baking powder; tablespoon mayonnaise; 1/4teaspoon salt; 1/4cup fresh pineapple; 1/4cup blueberries; tablespoon lemon juice