SaaS products are also popular among affiliate marketers because they're easy to sell since customers can start using them by paying a small monthly fee.
Maybe your reader wants advice about creating a healthy lifestyle. In this case, he might want to know about basic lifestyle changes he could make to create a healthier lifestyle. In the midst of giving that advice, you can also suggest a product or two that he may find useful.

If you want to be successful in affiliate marketing, you need to choose a niche you are going to target. If your niche is too broad, it’ll be more difficult to monetize using affiliate marketing. However, it’s not impossible (I am the perfect example of that, as my blog focuses on different niches).
Don’t throw in affiliate products that have nothing to do with baking. That would only confuse your readers and decrease your credibility as an authority blogger in your niche.