Mix the spices with the cream, milk, breadcrumbs, mustard and egg and set aside to soak for 10 minutes. Mix in the ground beef and pork, roll a small amount in a ball and fry to test the seasoning before continuing. Adjust the seasoning if needed.
Scoop the mixture into heaping 1 tbsp balls and place on a parchment lined baking sheet. Refrigerate for 1 hour prior to searing so they hold their shape.
When ready to serve, heat a large skillet adding the butter to the pan when the skillet has heated. Induction, use the Pan Searing mode to heat the pan, then adjust the temperature to level 8 for searing. Gas cooktops heat the pan on level 6 and increase the temperature to sear on level 8.