Hot Chicken-Style Sandwiches with Duck

Ingredients

• • 6 tbsp (85 g) butter
  • 1/4 cup (40 g) unbleached all-purpose flour
  • 1 tsp sweet paprika
  • 1/2 tsp chili powder
  • 1/4 tsp celery salt
  • 2 cups (500 ml) chicken broth
  • 2 onions, thinly sliced
  • 1 garlic clove, finely chopped
  • 2 cups (300 g) frozen peas, thawed
  • 2 duck confit thighs, skin removed, deboned and shredded
  • 8 slices of bread