Cook rice in a large saucepan of boiling water for about 12 minutes or until tender. Drain well. Spray a nonstick wok or frying pan with oil and heat.
Cook chicken in 2 batches over high heat until browned. Remove from wok.
Add onion, spice sachet and 3 tablespoons water and cook over medium heat for 3 minutes or until onion is soft. Stir in tomato paste, milk, coconut essence, stock powder, water, sugar and sweet potato and cook, covered, for 10 minutes or until sweet potato is tender.
Add chicken, snow peas and asparagus and cook, uncovered, for 5 minutes or until green vegetables are tender but still crisp.
Serve on rice, sprinkled with toasted almonds and fresh coriander leaves.