Combine all marinade ingredients together and mix well. Marinate the 44 Farms Flank Steak with 3 cups of marinade, seal in a plastic bag and store in refrigerator for 4-12 hours.
After marinating, remove steak from bag and pat dry with a paper towel, discard marinade. Season steak with 44 Farms Salt & Pepper blend.
Heat 2 Tbs. oil in a cast iron skillet over medium-high heat. Sear steak for 3-4 minutes on each side. Remove the steak from the pan and let rest for 10 minutes.
While the steak is resting, bring a small pot of salted water to a boil and blanch snow peas for 1 minute and place in an ice bath to chill.
In a sauté pan, heat over medium-high heat and add 2 Tbs. of oil and sauté the shiitake mushrooms until cooked through, about 3 minutes. Remove from pan to cool and then slice into 1/4 inch slices. Combine all the vegetables and herbs in a large bowl and toss with 1/2 cup dressing, set aside.
Bring a large pot of salted water to a boil, add soba noodles and cook for three minutes. Strain and run cold water over noodles until chilled. Add noodles to the vegetables and toss. Add more dressing if desired.
Portion soba noodle salad between four bowls. Slice flank steak 1/4-1/2 inch thick against the grain, place on top of the soba noodles and serve.