Onions Prepped For Stuff

1 large plastic container

4 cups red onions - sliced

4 cups yellow onions -sliced

½ cup black peppercorns

2 cups mushrooms – chopped

3 cups rice vinegar

In a large plastic container, layer red yellows on the bottom of the container first. Next, layer yellow onions, black peppercorns and then mushrooms. Lastly, pour 3 cups of rice vinegar over the ingredients. Place a lid on the plastic container. Refrigerate the container for 24 hours and then use the mixture in salads, over meats and in pastas.