Grilled Flank Steak with Chimichurri

Ingredients

• 3/4 tsp ground cumin
• 1 tbsp water
• 1/2 tsp dried oregano
• 1 tsp garlic powder
• 2 packed tbsp chopped cilantro
• 1/8 tsp crushed red pepper flakes, or more to taste
• 1/8 tsp fresh black pepper
• 1 1/2 pounds flank steak
• 2 tbsp red onion, finely chopped
• 2 packed tbsp parsley, finely chopped (no stems)
• 1 1/4 tsp kosher salt
• 1/4 tsp kosher salt
• 2 tbsp extra virgin olive oil
• fresh ground pepper
• 1 clove garlic, minced
• 2 tbsp apple cider vinegar