@marshall2000,
about the message/comments – I would suggest you to have the akismet plugin, it is by default present however it will require an API key which is free to get. also, another plugin bad-behaviour helps in keeping those messages away. If it still does not helps, then perhaps having that re-captcha plugin might be your final option.
Now here are some suggestion for your blog.
1) Why don’t you select a more friendly permalinks structure. Your current links are based on default permalinks structure. Having friendly links improves your search engine traffic.
2) I see that you have a facebook fan page with 0 fans. Perhaps you should have the fan widget in your sidebar, that is a great way to get some facebook fans for your fan page. Also on that note, perhaps you should get a twitter id too and look for some followers.
3) In your original post you asked, why you are not getting global audience. I guess a bit of SEO can help you with that. Get an seo plugin to start with. Also, are you writing recipe’s that target your local place, if so, try writing recipes which attracts others as well.
4) I suggest you to have your recent posts appear on the homepage, it will help your posts to rank better on the search engines and that way you will get more traffic.
Overall, it is a nice theme, good logo as well. I see that you got the facebook like button on the posts as well, perhaps you can consider putting a few more buttons there, like twitter/delicious etc. Best of luck with your blog,