Keto Brownie Bites

Name: Keto Brownie Bites
Yield: 8
Cuisine: American
Ingredients: cooking spray; 2 Tbsp almond flour; 4 tsp cocoa powder; 2 Tbsp monk fruit sweetener, powdered; 1 large egg; 1 Tbsp unsalted butter, melted; ⅛ tsp vanilla extract; 3 Tbsp sugar-free mini dark chocolate chips