As it turns out, there are some cordial cherry brands that are made with plenty of punchy liquor and are meant for grown-ups only. Similarly, you can make boozy cherry cordial Jell-O shots.

Halve walnuts and place in a quart container with a lid along with cinnamon stick. Add vodka, seal and let sit to infuse, 1 week. (The liquid will turn black.) Make simple syrup: In a saucepan ...