Preheat over to 375 degrees.
Spray baking sheet with vegetable oil spray (not listed). Spread barley on pan, and place in oven for 5-10 minutes until barley starts to toast. You're looking for barley to turn golden brown and give off a pleasant toasty smell. Remove from oven and let cool
Heat oil over medium-low heat in a large heavy pot with a lid; add shallots and cook, stirring frequently, until lightly browned.
Add wine to deglaze and plump shallots, stir and cook until wine cooks off.
Add barley to pot and cook, stirring frequently, for 1 minute. Add stock to pot and bring to a boil; cover with lid, reduce heat to low and cook for about 40 minutes.
Remove from heat, drain any excess liquid, fluff with a fork and let cool. Set aside.