Cookie Croissant (Le Crookies) - Famous Paris Viral Pastry Recipe - Zest Plate

Ingredients

• 6-8 Butter Croissants
• 3/4 cup butter (1½ sticks), softened
• 3/4 cup brown sugar
• 1/4 cup granulated sugar
• 1 egg
• 2 tsp. vanilla extract
• 2 tsp. cornstarch
• 1 tsp. baking soda
• 1/2 tsp. salt
• 2 cups all-purpose flour
• 1 cup chocolate chunks, preferably chopped from a high-quality chocolate bar