Use "appetise" in a sentence

1. Mint is traditionally used in animal feeds as an appetiser

2. “I don’t know what’s on the menu, but I certainly approve of the appetiser

3. “Appetisers on the front, drinks on the back,” Alex informed us

4. We shared our mixture of appetisers and Alex kept our glasses full

5. “Ok if I begin with the appetiser,” he said, and ran his tongue up her quivering thighs, before lifting each one onto a shoulder