To a large skillet, add the olive oil, onion, and cook over medium-high heat for about 4 minutes, or until it begins to soften; stir occasionally.
Add the bell pepper, carrots, and cook for about 3 to 4 minutes, or until vegetables are crisp-tender; stir occasionally.
Add the corn, peas, beans, rice, cumin, salt, pepper, optional cayenne, stir to combine, and cook for about 2 minutes or until warmed through; stir occasionally.
Add the green onions, cilantro, lime juice, stir to combine, taste and check for seasoning balance and add additional salt, pepper, cumin, etc. if desired.
Serve immediately.
