Mix together tomatoes, green onions, salt, pepper, and basil together. Place in a colander to drain off excess juice. Mix shredded cheese and mayonnaise together. Fold into tomato mixture.
Pinch each biscuit in half. On a lightly floured surface roll each piece into a circle approximately 3 to 4 inches in diameter. Spoon about 2 teaspoons of tomato mixture in the center of the biscuit. Moisten the edge of the biscuit with you finger using a drop of water. Fold over and press firmly using fingertips to seal entire edges.
Place on a greased baking sheet. Bake in a preheated 375 degree oven for 12 to15 minutes or until golden brown. Remove from oven and brush with melted butter, sprinkle with fresh chopped parsley. Serve immediately.