Seared Flank Steak with Chimichurri & Grilled Corn

Ingredients

• 1/2 tsp salt , divided
• 1/4 tsp coriander
• 2 750g flank steaks
• 6 ears corn , shucked
• 1 large garlic clove
• 1 jalapeño , stem and seeds removed
• 1/4 cup coarsely chopped cilantro
• 2 tbsp chopped chives
• 2 tbsp red wine vinegar
• 1/3 cup olive oil
• 1/4 cup butter , softened
• 1/2 tsp lime zest
• 1/2 tsp lime juice
• 1/4 tsp smoked paprika
• 1/8 tsp cumin