Step 1

Combine the mustard, soy sauce, ginger, shallots, and 1 tablespoon of the lime juice. Slowly whisk in the 3 tablespoons of the oil. Set aside.

Step 2

Dump the greens and alfalfa sprouts into a large bowl. Pour the rest of the lime juice and 1 tablespoons of the oil onto the greens and toss until the leaves are coated.

Step 3

Coat the all sides of the tuna pieces with the cracked pepper. Sprinkle each salt. Pour the the rest of the oil into a skillet set over high heat. Carefully set the tuna pieces in the skillet and cook for 30 seconds a side.

Step 4

Cut the tuna into 1/2 inch pieces. Serve the tuna pieces with the salad and the sauce.