Tilapia With Hash Browns

Name: Tilapia With Hash Browns
Ingredients: 1 20-ounce bag frozen shredded hash browns, thawed; 4 cloves garlic, smashed and thinly sliced; Kosher salt; 5 tablespoons extra-virgin olive oil, us more for drizzling; 1/2 cup pitted Spanish green olives, roughly chopped; 3/4 pound tomatoes, cut into 1-inch pieces; 1/4 cup diced roasted red peppers; 3 scallions, white and light green parts only, chopped; 2 tablespoons chopped fresh parsley; 1 1/2 pounds skinless tilapia fillets; 1 teaspoon herbes de Provence or dried rosemary; Freshly ground pepper