Preheat oven to 425 degrees F. Lightly oil a baking sheet or use a silicone baking mat.
Prepare veggies and place in a single layer on the baking sheet.
Coat veggies in olive oil, salt and pepper.
Place cod loin in a single layer onto the opposite side of the prepared baking sheet. Top with Casco Bay Creamery garlic + herb butter
Place into oven and bake until fish flakes easily with a fork and the tomatoes begin to burst and have softened.