3 cups baking mix such as Original Bisquick®
1 1/2 cups cooked, smoked ham
4 cups shredded Cheddar cheese
1/2 cup grated Parmesan cheese
2 teaspoons prepared mustard
2/3 cup milk
Mix ingredients thoroughly and form it into 1-inch balls. Place balls about 2 inches apart on a greased baking pan and bake at 350°F for 20 to 25 minutes. Serve warm.