Chocolate Pumpkin Spice M and M Cookies

INGREDIENTS

• 1 stick unsalted butter, softened
• 1/2 cup granulated sugar
• 1/2 cup packed light brown sugar
• 1 large egg
• 1/2 teaspoon pure vanilla extract
• 1/2 cup pumpkin puree
• 1 1/4 cup all-purpose flour
• 1/4 cup cocoa powder
• 3 tablespoons instant vanilla pudding mix
• 1/2 teaspoon baking soda
• 1/4 teaspoon kosher salt
• 1 1/2 cups chocolate chunks
• 10 ounce bag