One-pan Sweet Chilli Chicken with Cashew Nuts

• 400 g chicken stir-fry pieces
• 250 g mushrooms (e.g. button, cup, brown), sliced
• 250 g snow peas, ends trimmed
• 1 broccoli, cut into florets
• 0.33 cup cashew nuts, raw and unsalted
• 0.33 cup sweet chilli sauce
• 0.33 cup oyster sauce
• 1 lime, juiced (or ½ lemon)
• 450 g brown rice, cooked (microwave)