Place patties in a single layer or stack and separate layers with non-greased freezer paper. Insert carefully into a freezer bag, lay flat in the freezer (if you have the room), and consume within three months.
Do not thaw the patties at room temperature. Instead, stick the patties in the refrigerator and wait until they are at least partially thawed. You can grill partially frozen patties, but it may take longer for the centers to finish. This could also result in an unevenly cooked burger.
Store hamburger patties the same way you’d store ground beef. Either keep the meat in its original container or wrap in saran wrap and insert into a plastic bag. The meat should stay fresh for one to two days.
Lamb is readily available in most supermarkets. The freshest lamb will have soft pink and red flesh with marbling throughout. Avoid anything that looks grey in color.
Wrap the lamb in it in its original packaging, airtight, with plastic wrap or aluminum foil. From there, you can also place the meat in an airtight freezer bag to prevent freezer burn. Chops and loins fare best when wrapped individually.
Lamb can be defrosted in three ways. As with most meat, refrigeration is the most effective, albeit slowest method. Lamb meat defrosted in the fridge can actually be re-frozen before or after cooking, though there may be a loss of moisture. If you're in a pinch, lamb can be defrosted in the microwave, or placed in a bowl of cold water (which should be replaced every 30 minutes).