> I really want to learn so many new recipes and improve my cooking skills.

Consider watching Alton Brown videos on youtube. I find he does a good job at explaining cooking at a lower layer of abstraction. Also, a big part of cooking is keeping your kitchen organized, so think of the physical layout of your cooking space as a UX/information architecture problem. If you have a disorganized kitchen and are trying to just follow a recipe, then you will feel overwhelmed as you aren't able to hold things in working memory.

Also, for recipes, check out https://paprikaapp.com/ and https://www.reddit.com/r/slowcooking/.

Not wanting to seem negative. But becoming expert in Java in one year sounds nigh impossible. Depending on what constitutes expert, of course. And the amount of CS education and experience you have before.

But don't let this stop your for trying to become really good at Java. Or any other skill, language.