1 can (4 ounces) mushroom stems and pieces, drained
1 can (2-1/4 ounces) sliced ripe olives, drained
In a large skillet, cook the beef, onion, green pepper and garlic over medium heat until meat is no longer pink, 5-7 minutes; crumble meat. Drain and set aside.
In a small saucepan, bring tomato sauce and Italian seasoning to a boil. Reduce heat; cover and simmer for 5 minutes. Stir 1/2 cup into the meat mixture; keep remaining sauce warm.
Unroll pizza crust onto a floured surface. Roll into a 12-in. square; cut into quarters. Spread cream cheese over each to within 1/2 in. of edges. Top with meat mixture. Sprinkle with mozzarella cheese, mushrooms and olives.
Fold dough over filling, forming a triangle; press edges with a fork to seal. Place on a greased baking sheet.
Bake at 400° for 20-25 minutes or until golden brown. Serve with the remaining sauce.
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