Miscellaneous with beer

1 1/2 cups sliced celery 1 1/2 cups chopped green bell peppers 2 tablespoons olive oil 4 (14 1/2 ounce) cans diced tomatoes with onion and garlic (you can use[...]

4 cups yellow mustard (two 20-ounce bottles of French's mustard should do the trick) 8 ounces of beer (less for thicker sauce, more for thinner sauce) ½ cup[...]