Monster Cookie Bars

Name: Monster Cookie Bars
Ingredients: 1/2 cup (1 stick) unsalted butter (at room temperature); 1 cup packed light brown sugar; 1/2 cup creamy peanut butter (at room temperature); 1 teaspoon honey; 1 1/2 teaspoons vanilla extract; 1 large egg (at room temperature); 1 large egg yolk (at room temperature); 1 cup all-purpose flour; 1/4 teaspoon fine sea salt; 1/4 teaspoon baking soda; 1 1/2 cups old fashioned rolled oats; 1/2 cup m&ms candies; 1/2 cup chocolate chips; candy eyeballs (for topping (optional))