Keto Tuna Casserole (Low Carb Tuna Mornay)

4.96 from 21 votes

Keto Tuna Casserole (Low Carb Tuna Mornay)

This creamy and cheesy keto tuna casserole is a flavorful, budget-friendly meal that the whole family will enjoy. Make it ahead or enjoy it fresh for a quick and easy weeknight dinner.

Cook Time20

Total Time20

Course: Dinner, Main Course

Cuisine: American

Diet: Gluten Free

Servings: servings

Calories: 510kcal

Author: Matt Dobson

Ingredients

2 ounces butter
1 small onion diced
2 sticks celery diced
7 ounces mushrooms diced
2 ounces cream cheese
1/4 cup heavy cream
1/4 cup unsweetened almond milk
1/2 cup mozzarella cheese shredded
3 5 ounce Tuna in Water well drained
1/2 teaspoon salt
1/4 teaspoon pepper ground
1/3 cup cheddar cheese shredded
1 Keto Burger Bun
1 teaspoon dried parsley

US Customary - Metric

Instructions

Preheat your oven to 180C/355F.
Place a medium-sized saucepan over high heat and add the butter, onions, and celery. Saute for 5-7 minutes then add the mushrooms.
2 ounces butter, 1 small onion, 2 sticks celery, 7 ounces mushrooms
Cook the mushrooms for 5 minutes then add the cream cheese, heavy cream, and almond milk and bring to a simmer.
2 ounces cream cheese, 1/4 cup heavy cream, 1/4 cup unsweetened almond milk
Once the cream cheese has melted stir through the mozzarella cheese and remove the pan from the heat.
1/2 cup mozzarella cheese
Mix through the drained tuna, salt, and pepper.
3 5 ounce Tuna in Water, 1/2 teaspoon salt, 1/4 teaspoon pepper
Spoon the cream tuna mixture into a casserole dish and top with the cheddar cheese, torn Keto Bread, and dried parsley.
1/3 cup cheddar cheese, 1 Keto Burger Bun, 1 teaspoon dried parsley
Bake for 15-20 minutes until the cheese has melted and the bread is browned and crunchy.
Serve straight away.

Notes

STORING

Fridge: Store in the fridge for up to 4 days.

Freezer: Freeze for up to 3 months in an airtight container. Thaw out overnight before reading in a medium oven or microwave reheat setting.

Nutrition