Breakfast Sandwich Cookies

Name: Breakfast Sandwich Cookies
Ingredients: 1 stick (8 tablespoons) unsalted butter, at room temperature, plus more for serving; 4 ounces cream cheese, at room temperature; 1 large egg; 2 cups all-purpose flour; 1 tablespoon dried chives; 1 1/2 teaspoons baking powder; 1/2 teaspoon garlic powder; 1/2 teaspoon onion powder; 1/2 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper, plus more for garnishing; 1 cup grated white Cheddar; 1/2 cup chopped cooked bacon; Your favorite jam for serving, optional