Black Pepper Tofu and Celery

Name: Black Pepper Tofu and Celery
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Chinese
Ingredients: 1 tablespoon avocado oil; 14 ounce block firm tofu; 2 tablespoon olive oil; 1 tablespoon peppercorns (ground up in a pestle and mortar or grinder); 1 teaspoon chili flakes or gochugaru, Sichuan chili powder will work as well; 4 garlic cloves (thinly sliced); 2 thumbs ginger (thinly sliced into matchsticks); 1 bundle celery (sliced on a bias); 1 bundle green onions (sliced on a bias); juice of 1 lemon; 1/4 cup soy sauce; 1 tablespoon coconut aminos (or more soy sauce); 2 teaspoons rice vinegar (or Chinese black vinegar); 1 teaspoon sugar; 1/2 tablespoon cornstarch or flour; white rice; top with celery leaves, remaining green onions and sesame seeds with lemon juice