Heat the olive oil in a large saucepan.
Add onions and garlic, cook until soft and golden.
Add the ground beef and cook until fully brown. Transfer in a colander. Drain.
Return the meat to the saucepan.
Tip in red pepper, beans, sweet corn and chilli con carne spice mix.
Continue to cook for about 5 minutes, stirring occasionally.
Pour the diced tomatoes together with juice into a saucepan.
Season to taste with salt and sugar.
Turn down the heat. Put a lid on and leave to cook for 10 minutes.
Remove from the heat and cool thoroughly.
Spread trail chilli on dehydrator trays covered with non-stick sheets or parchment paper.
Dehydrate at 63C/145F for 8-10 hours until brittle.
Pack the dried meal into a zip lock bag.

Pour dry chilli  mixture into the pot; add 1 cup water and stir well.
Place pot over medium heat and bring to a boil.
Cook, stirring occasionally, for about 5 minutes.
Remove from heat, cover, and let stand another 5-10 minutes to rehydrate meal completely.