Cook orzo according to package directions, drain, and set aside; meanwhile, heat olive oil in a large skillet and crumble in the halal ground lamb with minced onion, cooking for 5 minutes until browned.
Add cherry tomatoes to the skillet and cook for 3 minutes, crushing them slightly with the back of a spoon.
Stir in the cooked orzo and heavy cream, then simmer for 2 minutes until heated through and the sauce coats the pasta.
Tear fresh mint over the top, season with salt and pepper, and toss gently.
Serve immediately while hot.