In large heavy skillet, place over medium heat, add butter and slivered almonds, and cook until almonds are light golden in color; about 1 minute.
Add the red bell peppers to skillet and continue cooking and stirring until peppers soften slightly; about 2 minutes.
Add rice and green beans and continue cooking and stirring until all ingredients are hot; about 3 minutes.
Add the green onions, stir, taste and season as desired.
Serve immediately.