Nutty (adjective)

1. Having the flavor or aroma of nuts.
2. Resembling or containing nuts.
3. Having a slightly insane or eccentric personality.

Origin:

From nut + -y.

Examples:

1. The bread had a nutty flavor from the hazelnuts in the recipe.
2. The ice cream was nutty with chunks of almonds and peanuts.
3. The cheese has a nutty, slightly sweet flavor.
4. The professor's theories were considered nutty by his colleagues.
5. The man's behavior was nutty, he was acting very strange.