Beef with cilantro

1 lb beef sirloin steak , cut into 16 pieces 8 wooden skewers 3 ears corn on the cob, cut into 1-inch-thick slices 1 green pepper , cut into chunks 1 cup[...]

2 teaspoons olive oil or any vegetable oil, divided 8 ounces beef bottom round, trimmed, cut into 3/4-inch cubes 1 large shallot halved and thinly sliced * 1[...]

12 oz. roast beef , cubed or cut in strips 2 tsp. taco seasoning salt and pepper to taste juice of 1/2 lime optional: 1/2 tsp. garlic powder olive or corn oil[...]