Ingredients

1 tablespoon olive oil

1/2 white onion, finely chopped

1 jalapeno, thinly sliced crosswise

6 cherry tomatoes, halved

1 pound mustard greens, tough stems removed, cut into 2-inch strips

Juice of 1 lemon

Coarse salt and freshly ground pepper

Preparation

Heat oil in a large skillet over medium-high heat. Add onions and jalapeno. Cook until onion is translucent, about 3 minutes. Add tomatoes and cook 2 minutes more. Add mustard greens and cook until wilted and tender, about 5 minutes.

Drizzle vegetables with lemon juice; season with salt and pepper. Serve immediately.