In a small bowl, mix soy sauce, fish sauce, honey, minced garlic, and grated ginger.
Place flank steak in a shallow dish or zip-top bag. Pour half of the marinade over the steak.
Let steak marinate at room temperature for 10 minutes.
For the Dressing:
Add lime juice, fish sauce, soy sauce, honey, vegetable oil, minced garlic, and chopped chili pepper to a jar or small bowl.
Whisk or shake until the honey dissolves to make the dressing.
For the Steak:
Heat a cast iron skillet over medium-high heat until hot.
Add vegetable oil to the skillet and swirl to coat.
Pat the marinated steak dry with paper towels.
Place steak in the skillet. Cook steak for 2 to 3 minutes per side for medium-rare, or until your preferred doneness.
Remove steak from skillet and let rest on a cutting board for 5 minutes.
For the Salad:
Place mixed greens, arugula, cucumbers, cherry tomatoes, red onion, red bell pepper, and cilantro in a large bowl.
Pour about two-thirds of the dressing over the salad greens.
Toss salad to coat the greens with dressing.
Slice the rested steak thinly across the grain.
Arrange sliced steak on top of the salad.
Drizzle remaining dressing over the steak.
Garnish with extra cilantro and lime wedges, if desired.
Notes
Tips and Tricks
Steak Doneness - For medium-rare, cook the steak for about 2 to 3 minutes per side. Add more time for a higher level of doneness.Dressing - Shake the dressing in a jar for easy mixing and quick cleanup.Slicing Steak - Slice the steak thinly against the grain for tender pieces.
Storing and Reheating
Reheat on Stovetop - Place steak slices in a skillet over low heat for a minute or two, just until warmed.
Store leftover salad and steak in separate airtight containers in the fridge for up to 2 days. Dress the salad just before serving to keep the greens crisp.