Carne Guisada with greens

1 ½ pound beef top sirloin , cubed 1 green bell pepper , seeded, 1” dice 1 red bell pepper , seeded, 1” dice 1 large onion , roughly chopped 1 large tomato ,[...]

2 lbs small cut stew meat 1/4 cup flour 1 yellow onion 2 garlic cloves 3 tablespoons canola oil 1 green bell pepper 3 stalks celery 1 (14 1/2 ounce) can diced[...]