One Pan Beef with Chimichurri

• 500 g beef mince
• 2 bunches broccolini*
• 2 bunches asparagus
• 250 g cherry tomatoes
• 1 lemon, juiced
• 0.25 cup fresh coriander
• 0.25 cup fresh mint
• 0.5 cup fresh oregano
• 3 tbsp extra virgin olive oil