When using an oil, try olive oil or canola oil. Choose fresh or frozen vegetables without sauces. For the best flavor, use fresh vegetables - do not overcook. Try steaming vegetables or using the microwave. If you are not used to the taste of skim milk, you can get used to it over time.
Some people enjoy non-fat dry milk instead of already mixed milk.
You may also try adding evaporated skim milk to your skim milk to give it more body. Use margarine instead of solid shortening. Try evaporated skim milk instead of cream or half and half. When preparing foods, do not add salt. Salt is not needed in boiling vegetables or pasta.