Try this homemade Double Decker Knox Blox recipe the whole family will love. Made with gelatine, flavored gelatin, boiling water and heavy cream. Easy s…
This Double Decker Knox Blox relies on simple, everyday ingredients such as envelopes knox gelatine, boiling water and (1/2 pt.) heavy cream. It comes together quickly and makes 4 servings, at about 1533 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026