One Pan Egg Veg Brunch - A better choice!

Ingredients

• ½ tbsp olive oil
• 1 knob of butter
• 1 zucchini, cut into small chunks
• 1 yellow capsicum, cut into small chunks
• 1 red capsicum, cut into small chunks
• 2 spring onions, finely sliced
• 1 garlic clove, crushed
• 3 eggs