Halibut in Tomato Gravy over Creamy Polenta

Ingredients

• 2 cups water, plus more as needed
• 2 cups milk, plus more as needed
• 3 tablespoons butter
• 1 teaspoon salt
• 1 cup polenta
• 1/4 cup creme fraiche
• 1/3 cup Parmigiano-Reggiano cheese, grated
• 2 pounds Halibut filet
• 1 tablespoon Maggi fish seasoning
• 1/2 teaspoon Old Bay powder
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon paprika
• 1/4 teaspoon dried thyme
• 1/4 teaspoon dried oregano
• 1/2 teaspoon black pepper
• 4 tablespoons olive oil, divided use
• 2 small shallots, small diced
• 3 cloves garlic, minced
• 1 teaspoon red pepper flakes
• 1 teaspoon paprika
• 10 ounces container cherry tomatoes, washed and halved
• 2 cups low sodium veggie stock
• 2 dry bay leaves
• 7 sprigs thyme leaves
• 1/4 cup heavy cream
• zest from 1 lemon