Fresh Lemon Pepper Beef Stir Fry - cooking recipe

Ingredients

Marinade
1 teaspoon cornstarch
2 teaspoons fish sauce
3/4 lb tri-tip beef, cut into 1-inch cubes (can sub flank or sirloin steak)
Glaze
2 tablespoons fresh lemon juice
1 tablespoon black pepper
2 teaspoons sugar
The Rest
1 tablespoon vegetable oil
1 teaspoon butter
2 garlic cloves, thinly sliced
1 stalk lemongrass, bottom 4-inches minced (about 1 tablespoon and can sub grated lemon zest but not exactly the same)
2 walnut-sized shallots, thinly sliced

Preparation

Combine marinade ingredients in a bowl. Add beef and stir to coat. Let stand for 10 minutes.
In the meantime combine glaze ingredients in a small bowl; stir until sugar is dissolved.
Place a stir-fry pan over high heat until hot. Add oil and butter; stir until butter melts. Add garlic, lemongrass, shallots and cook; stirring, until fragrant, about 30 seconds. Add beef and stir-fry, until it is seared on the outside and slightly pink in center, about 4 minutes.
Add glaze and toss to evenly coat meat. Serve.