In a bowl, combine soy sauce, olive oil, garlic, and lemon juice. Season with salt, pepper, and a pinch of red pepper flakes.
Add drumsticks and toss to coat. Refrigerate and let marinate at least 30 minutes.
Preheat oven to 450°F. Place chicken on a large baking sheet and bake until golden and internal temperature reaches 165°F, 20 to 25 minutes, flipping halfway through.