Halibut in a Spicy Tomato Broth

Ingredients

• 2 (6-7 ounce) halibut filets
• 2 tablespoons olive oil
• 1 teaspoon salt, divided
• 1 teaspoon black pepper, divided
• 1 teaspoon garlic powder
• 1 teaspoon paprika
• 1/3 cup all-purpose flour
• 1 tablespoon cornstarch or rice flour
• Lemon wedges, for serving
• 2 garlic cloves, minced
• 1½ cups cherry tomatoes, halved
• 1 teaspoon crushed red pepper flakes
• ½ cup dry white wine
• 1⅓ cups chicken stock
• Juice of 1 orange
• Juice of ½ lemon
• 1 (15-ounce) can cannellini beans, rinsed and drained
• 3 ounces baby spinach
• 1 tablespoon chopped fresh parsley, plus more for garnish