Preheat the oven to 180°C/350°F.
Place Nutri-Grain, Crispix and peanuts in an oven dish. Sprinkle over soup mixes and the curry and mustard powders. Mix well.
Warm oil in microwave for 1 minute and stir into dry ingredients.
Roast for 7 minutes and stir. Roast for another 5-7 minutes.
Allow to cool then place in container or pop in the freezer.