Spaghetti tuna carbonara

We live in a condo and gas cooking equipment is not allowed. So I use the following electric cooking equipment: rice cooker, microwave and conventional oven.

250 g spaghetti
290-g can, white sauce/carbonara (cheese and herb flavour)
185-g can, tuna steak in oil
grated cheddar cheese
chilli powder (optional)

1. Boil water in the rice cooker, then add the spaghetti pasta. Stir until cooked (about 10 minutes). Once cooked, remove the cooking pot and pur cold water. Drain.
2. Microwave sauce at high for 1 minute.
3. Microwave tuna at high for 1 minute.
4. Serve with cheese and chilli powder.

Easy recipe, right? The sauce can be substituted with tomato sauce. The tuna can be substituted with hotdog or ground meat or pork.