Cook onion for in a stainless steel skillet on medium heat, stirring until cooked down a little bit (about 2 minutes)
Add tofu (unless baked tofu) and cook, stirring occasionally, for 3-4 minutes till lightly cooked
Add zucchini and turn heat down to low-medium; zucchini should not be “dancing” or jumping in pan; cook till zucchini starts to show some browning
If you are using baked tofu, add it and cook for a minute to warm
Add rosemary, mix, and then add coconut aminos and lemon juice
Add black pepper, salt, and garlic powder, then serve
If you want to add more seasoning, you can optionally add a few pinches of jerk seasoning or hot sauce before serving.