High Protein Blueberry Crumble

Name: High Protein Blueberry Crumble
Cuisine: American
Ingredients: 1 c blueberries; 1/2 tsp corn starch; 1/2 tsp vanilla extract; 2 packets sugar substitute (Truvia); 1/3 c quick cooking oats; 1 tbsp sugar free maple syrup (choc zero); 1 serving vanilla protein powder (clean simple eats); 1/2 tsp cinnamon; pinch salt; 1-2 tbsp water