In a mixing bowl add sausage mince, garlic, onion, carrot, egg and bread crumbs. Mix thoroughly with a fork.
Separate sheets of puff pastry, leaving plastic sheet face down then cut in half while still frozen.
Using a teaspoon, lay mixture lengthways on each half sheet. Using a squirt bottle of bbq sauce, add at least 2 squirts along each length of mince. Using your finger tips, rub 1 edge of pastry with milk, and roll pastry so that the edges overlap.
Each roll can be cut in half for large rolls or 4 for smaller bite size rolls. Bake at 180 degrees C on a baking paper lined tray for approx 35 mins.