Peas with Lettuce

Directions

1. 1
   Prepare ahead
2. 2
   Step 1 can be completed several hours ahead.
3. 3
   Refrigerate until ready to use.
4. 4
   Put the onions in a bowl and cover with boiling water.
5. 5
   Let stand a few minutes.
6. 6
   Drain, peel, and trim the onions, keeping the root end intact.
7. 7
   Melt 2 tbsp of the butter in a large saucepan over medium heat.
8. 8
   Add the onions, cover, and cook for about 2 minutes.
9. 9
   Add the peas and stock and bring to a boil.
10. 10
    Skim off any foam, then add the sugar and season with salt and pepper.
11. 11
    Lower the heat and simmer for 58 minutes or until the peas are tender.
12. 12
    Mash the remaining butter and flour together to make a smooth paste.
13. 13
    A little at a time, stir the butter mixture into the peas, to thicken the sauce.
14. 14
    Stir in the shredded lettuce and mint.
15. 15
    Adjust the seasoning and serve immediately.