Salads with spinach

1 lb fresh spinach , cleaned,leaves removed and stems reserved 4 plum tomatoes 2 oranges , cut into sections,zested 6 mushrooms , sliced thinly 1 red onion ,[...]

4 each tomatoes ripe, peeled 2 each garlic cloves 2 ounces rock salt chopped coarsely * 1 tablespoon olive oil 8 ounces pasta, penne 1 x salt ground * 1 x[...]