Pan-Grilled Tilapia with Lemon and Red Onion

By Terri-Lynn Howell-Schlaiss

4.17 / 5

10min

15min

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¼ large lemon
1 (6 ounce) tilapia fillet patted dry
salt and ground black pepper to taste
1 tablespoon extra-virgin olive oil
1 teaspoon butter divided
¼ large red onion coarsely chopped
1 teaspoon minced garlic
1 tablespoon grated fresh Parmesan cheese