Photo of Grilled Tuna with Mustard-Dill Sauce by WW

Grilled Tuna with Mustard-Dill Sauce

Points® value
Total Time
27 min
15 min
12 min
Yellowfin tuna, excellent for grilling, is available all year long but is most plentiful during the summer months.


Uncooked bluefin tuna

1¼ pound(s), four 5 oz fillets cut about 1 1/4-inch thick

Olive oil cooking spray

4 spray(s), or enough to coat fish

Table salt

½ tsp(s), or to taste

Black pepper

¼ pinch(es), or to taste

Salted butter

1 tbsp(s)


2 small, or 1 large, chopped

Fat free creamer

1 cup(s), such as fat-free 1/2 and 1/2


4 tsp(s), grainy

Fresh dill

1 tbsp(s), fresh, chopped

Lemon zest

1 tbsp(s)


  1. Preheat grill to medium. Coat tuna with olive oil cooking spray; sprinkle with 1/4 teaspoon of salt and 1/8 teaspoon of pepper, or to taste. Grill 4 to 6 minutes per side, until desired degree of doneness.
  2. Meanwhile, brown butter in a small saucepan over medium-high heat. Add shallots and cook until they begin to brown, about 1 minute. Reduce heat to medium and add half & half; cook until slightly thickened and mixture coats the back of a spoon, about 5 minutes. Stir in mustard; remove from heat and stir in dill, zest, 1/4 teaspoon of salt and 1/8 teaspoon of pepper.
  3. Serve sauce hot or at room temperature. Yields 1 tuna fillet and about 2 tablespoons of sauce per serving.