Heat oven to 350°F. Place biscuits on cutting board; let stand 10 minutes to thaw.
In small microwavable bowl, microwave broccoli uncovered on High 1 minute; drain on paper towel.
In medium bowl, beat eggs, milk and mustard with wire whisk until blended. Stir in ham, cheese and broccoli.
Spray 8x4-inch (1-quart) glass loaf dish or 1-quart casserole with cooking spray. Cut each biscuit into 8 pieces; arrange evenly in dish. Pour egg mixture over biscuit pieces in dish. Press down with back of spoon, making sure all biscuit pieces are covered with egg mixture.
Bake 30 to 35 minutes or until edges are golden brown and center is set. Let stand 5 minutes before serving.