Peanuts are pretty healthy if you're not allergic to them and not on a very low-cal or low-carb diet.

For stuff like that, have you ever looked at https://nutritiondata.self.com/ ?

Frozen peas: https://nutritiondata.self.com/facts/vegetables-and-vegetable-products/2525/2

Scroll down past the stuff that still requires Flash (!?), and then you get a neat little nutrition label. One cup of frozen peas - which is a lot of frozen peas - contains a significant percentage of your RDA of vitamins A, C, and K, and quite a lot of thiamin and folate. It also has 25% of your daily RDA of fiber.