1Heat oven to 425ºF. In 2-quart saucepan, heat 1 inch water to boiling. Add broccoli; return to boiling. Reduce heat to medium; cover and cook about 5 minutes or until crisp-tender. Drain.
2In ungreased 2-quart casserole, mix broccoli, rice, broth, soup, pimientos and pepper.
3Cover; bake 20 minutes. Meanwhile, in medium bowl using pastry blender or crisscrossing 2 knives, cut butter into Bisquick mix until crumbly.
4Sprinkle crumbly mixture over broccoli mixture; bake uncovered 8 to 10 minutes longer or until top is light brown.