Fish au Gratin
Prep Time
Serves
Cooking Mode
3 tbsp butter
1 small onion, finely diced
2 tbsp chopped fresh thyme
4 tsp all-purpose flour
1 ¼ cups 2% milk
3 tbsp Dijon mustard
½ cup shredded Cheddar
2 ½ lb white-fleshed fish fillets, such as cod, haddock or sole
½ cup panko or homemade breadcrumbs
3 tbsp finely grated Parmesan
1 tbsp finely chopped fresh chives (optional)
3 tbsp butter
1 small onion, finely diced
2 tbsp chopped fresh thyme
4 tsp all-purpose flour
1 ¼ cups 2% milk
3 tbsp Dijon mustard
½ cup shredded Cheddar
2 ½ lb white-fleshed fish fillets, such as cod, haddock or sole
½ cup panko or homemade breadcrumbs
3 tbsp finely grated Parmesan
1 tbsp finely chopped fresh chives (optional)
Directions
1Preheat oven to 180°C (350°F). Grease an 8 in. (20 cm) square glass or ceramic baking dish; set aside. Melt butter in saucepan over medium heat. Cook onion and thyme about 5 min., or until onion is tender. Sprinkle with flour and stir to coat onion. Cook 1 to 2 min. Gradually whisk in milk until sauce is smooth. Mix in mustard. Reduce heat to medium-low. Simmer 5 to 8 min. until slightly thickened. Remove from heat. Stir in cheese until melted.
2Pat dry fish fillets with paper or kitchen towels. Place in prepared baking dish, cutting fish to fit if necessary. Bake 15 to 20 min. until fish is just cooked through, starts to flake and internal temperature reaches 70˚C (158˚F). Remove from oven.
3Preheat broiler. Pour cheese sauce overtop fish. Sprinkle with breadcrumbs and Parmesan. Broil 1 to 2 min., or until breadcrumbs are golden brown. Sprinkle with chives, if using. Serve immediately.
Tips
1
Substitute thyme with rosemary or dill.
2
Substitute breadcrumbs with crushed soda cracker crumbs.
Disclaimer
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Personal Note
Personal Note
