Wash the radishes, cut the tops off, and cut the radishes in half.
Combine the butter and Ranch dressing. Place the cut radishes in a greased 9x13 inch glass baking dish and pour the butter mixture over them. Use a spoon to stir everything together and coat the radishes. Sprinkle with parmesan cheese, garlic powder, parsley, dill, salt, and pepper to taste. Bake at 350 degrees F for 30 minutes, then turn the temperature up to 400 degrees for 10 minutes or until the radishes are as tender as you want them to be. I don't like mine extremely soft.
Recipe by Briana Thomas at https://www.briana-thomas.com/roasted-ranch-radishes/