Ingredients
- 1 tsp black peppercorns
- 1 lemon, thinly sliced, seeds removed
- 1 1⁄2 lbs center-cut, skin-off halibut fillet
- 3 cups (2 pints) cherry tomatoes, halved
- 1 medium shallot, thinly sliced lengthwise
- 4 garlic cloves, thinly sliced
- 5 sprigs dill, fronds only
- 1 1⁄2 tsp kosher salt
- 3⁄4 cup olive oil