Summer greens, tomato and basil frittata

Name: Summer greens, tomato and basil frittata
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 bunch asparagus, trimmed, sliced; 200g broccoli, cut into large florets; 8 eggs; 60ml (1/4 cup) milk; 40.00 ml chopped fresh chives; 40.00 ml chopped fresh basil; 70g creamy feta (such as Danish), crumbled; 150g cherry tomatoes, halved, plus extra, to serve; 80g mixed salad leaves, to serve