Russian pies with Instrumental case

After the Russian preposition C (with) Instrumental case is  always used:

Пироги с…  Pies   with…

• С мясом   - with meat
• С капустой -with cabbage
• С лососем- with salmon
• С вишней – with cherry
• С творогом – with cottage cheese
• С брусникой – with red bilberries
• С клубникой- with strawberry