Preheat oven to 375 degrees F.
Mix together biscuit mix, rosemary, cream, salt, ham and orange zest. Pile mixture into 4 large mounds or 8 small mounds onto a nonstick cookie sheet. Sprinkle with a little sugar and bake. Bake scones for 10 to 12 minutes for large scones, 7 to 8 minutes for small scones.