INGREDIENTS
1
sheet frozen puff pastry, thawed
1 cup
part-skim ricotta cheese
1/3 cup
grated parmesan cheese
1/3 cup
grated romano cheese
juice from ½ a lemon
1/3 cup
chopped parsley
1/2 tsp
salt, or more to taste
1/4 tsp
pepper, or more to taste
1/2
vidalia onion, sliced extra thin into circles
1
bunch asparagus, about 1 pound - bottoms trimmed