In a medium glass bowl, whisk together beef marinade: lemon juice, ginger, soy sauce, fish sauce, garlic and chili paste. Add beef strips to the bowl and toss well to coat. Let sit at room temperature for 20-30 minutes or marinate in the refrigerator for up to overnight.
Prepare peanut dipping sauce by whisking together all ingredients in a small bowl. Slowly add in warm tap water, about a tablespoon at a time, until you reach desired consistency. Reserve for later.
To cook beef skewers, carefully thread each strip on soaked skewers. Grill over medium-high heat for 2-3 minutes per side for medium rare.
Let been skewers rest for 10 minutes before serving with creamy peanut dipping sauce.