Triple Berry Summer Crumble

Ingredients: 1 1/2 cup almond flour 1/2 cup pecans chopped 1/4 tsp salt  3/4 tsp baking powder 1 tsp cinnamon 1/3 cup swerve brown sugar 3/4 cup butter frozen 1 1/2 tsp vanilla 1 tsp apple cider vinegar 2 egg yolks 2 lbs of mixed frozen blueberries, raspberries and strawberries (or whatever low carb fruit you like) 1 ½ tsp xanthan gum 1/4 cup swerve or other erythritol sweetener Zest from 1 lemon Juice from 1/2 lemon