¾ cup butter
½ cup diced onion
½ cup diced celery
1 ½ teaspoons salt
1 teaspoon poultry seasoning
½ teaspoon ground black pepper
½ cup chicken broth
2 large eggs
10 cups cubed whole wheat bread
½ cup chopped fresh parsley
Preheat the oven to 375 degrees. Line a baking sheet with aluminum foil; grease the foil.
Melt butter in a large skillet over medium heat. Add onion and celery; cook and stir until softened, about 5 minutes. Stir in salt, poultry seasoning, and pepper; cook and stir until fragrant, about 1 minute.
Whisk chicken broth and eggs together in a large bowl. Fold in bread cubes and parsley.
Add onion mixture to bread cubes; mix until combined.
Shape mixture into 20 (2-inch) balls; arrange on the prepared baking sheet.
Bake in the preheated oven until golden and crisp, about 20 minutes.