The high heat used in grilling quickly caramelizes the natural sugars, producing slightly charred, juicy tomatoes with rich flavor. To make your own basil oil, heat 1/4 cup chopped basil and 1/4 cup olive oil in a small saucepan over low heat just until the oil sizzles. Remove from heat, and let sit about an hour or until cool. Strain and discard the basil. The basil oil will keep in the refrigerator for up to two weeks.
1 pound large tomatoes, cored, cut in half horizontally, and seeded (about 2 medium)
1/2 cup thinly sliced red onion
1 tablespoon red wine vinegar
1 teaspoon basil-flavored olive oil
1/4 teaspoon salt, divided
1/4 teaspoon freshly ground black pepper, divided
6 basil leaves, thinly sliced
1 (1-pound) boneless sirloin steak
How to Make It
Place tomato halves, cut sides down, on paper towels. Let stand 30 minutes.
Heat a grill pan coated with cooking spray over medium-high heat. Place tomato halves, cut sides down, in pan; grill 5 minutes. Turn tomato halves; grill 1 minute or until the skin is blackened. Remove from pan; cool 5 minutes. Cut tomato halves into 1-inch pieces. Combine tomato, onion, vinegar, oil, 1/8 teaspoon salt, 1/8 teaspoon pepper, and basil.
Sprinkle steak with 1/8 teaspoon salt and 1/8 teaspoon pepper. Place steak in pan coated with cooking spray; grill 6 minutes on each side or until desired degree of doneness. Let stand 5 minutes. Cut the steak diagonally across grain into thin slices. Serve with the tomato salsa.
Good weeknight recipe! Two notes: 1) no need to make your own basil oil since you need so little; I had some on hand from a 'fancy' giftbox we got and I don't think it made any difference to have basil olive oil vs. regular when all you use is 1 tsp. 2) I didn't let my tomatoes sit for the full 1/2 hr and I didn't notice any issues; they only sat for ~15 min till the steak was almost done on the grill and it worked out just fine. Super easy to make, but with pretty big flavors from the salsa. Served with grilled fresh green beans and some croissants for a hearty / flavorful meal. Enjoy!
The tomatoes were a bit mushy from cooking in the grill pan, but the flavors of this in mid-winter were still a nice summer-y burst in the kitchen. I'd cut the red onion next time, decrease the vinegar slightly, and increase the basil olive oil, but the basic flavors are quite yummy. The steak was grilled to perfection. Added roasted potato wedges and a mixed green salad on the side.
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