Beef with Broccoli – Cook n' Share

Ingredients

• 1/2 kg of beef sirloin, thinly sliced cut across the grain
• 1/2 head broccoli, florets
• 2 tbsp of corn starch
• 2 tbsp of water
• 1 thumb size ginger, finely chopped
• 2 cloves of garlic, chopped
• 1 small onion, chopped
• 1/4 tsp of hot pepper flakes
• 4 tbsp of vegetable oil, divided