Steak Kebabs with Chimichurri

Ingredients (17)

• 1 1/4 pounds beef
• fresh ground pepper
• 1 1/4 tsp kosher salt
• 1 large red onion
• 18 cherry tomatoes
• 6 bamboo skewers
• For the Chimichurri Sauce:
• 2 packed tbsp parsley
• 2 packed tbsp chopped cilantro
• 2 tbsp red onion
• 1 clove garlic
• 2 tbsp extra virgin olive oil
• 2 tbsp apple cider vinegar
• 1 tbsp water
• 1/4 tsp kosher salt
• 1/8 tsp fresh black pepper
• 1/8 tsp crushed red pepper flakes