Heat oven to 375°F.
To make crust, unroll dough; separate into triangles. In cast-iron skillet or 12-inch deep dish pizza pan, place dough triangles with points toward center. Press together to cover bottom and 1/2 inch up side of skillet. Bake 10 minutes.
Meanwhile, in bowl, whisk together eggs, milk, oregano and pepper; carefully pour mixture over crust. Bake 10 minutes or until egg mixture is almost set.
Sprinkle egg mixture with SPAM® Classic, tomato, olives, onion and cheese. Bake 3 to 5 minutes or until cheese melts. Cut into wedges and enjoy.