What do these things have in common?

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Across
  1. 2. mom is the only one who likes these
  2. 7. keeps the doctor away
  3. 8. purple or green
  4. 9. delicious on toast, simple
  5. 11. smoothie juice
  6. 12. popular lunchbox item
  7. 13. something you dont want to find, but sometimes do
Down
  1. 1. Daisy's favorite
  2. 3. good source of protein
  3. 4. spicy snack
  4. 5. leaves you can eat
  5. 6. vanilla and fruity
  6. 9. tiny tree
  7. 10. you have to break it before you eat it