Antipasto without cheddar milk

2 each mushrooms, canned 4-oz cans, stems and pieces, drained, finely chopped 14 ounce artichoke hearts can, drained, finely chopped 10 ounce pimento stuffed[...]

6 1/2 ounce tuna fish canned, water-packed 1 tablespoon olive oil 1 x black pepper to taste * 1 tablespoon capers rinsed and drained 12 each black olives * 1[...]