Heat oven to 375°F. Spray large cookie sheet or 14-inch pizza pan with cooking spray. In 12-inch nonstick skillet, melt margarine over medium heat. Add broccoli and onion; cook 2 to 3 minutes, stirring frequently, until tender.
In medium bowl, beat cream cheese until smooth. Add eggs, milk, salt and pepper; beat well. Add egg mixture to vegetable mixture in skillet. Reduce heat to medium; cook, stirring occasionally from outside edge to center. Cook until eggs are set but still moist. Stir in ham and Cheddar cheese.
Unroll both cans of dough; separate into 16 triangles. Arrange triangles on sprayed cookie sheet with short sides of triangles toward center, overlapping into wreath shape and leaving 4-inch round opening in center. Lightly press short sides of dough to flatten slightly.
Spoon egg mixture onto widest part of dough. Pull end points of triangles over filling and tuck under dough to form ring. (Filling will be visible.)
Bake 25 to 30 minutes or until deep golden brown.