1In 12-inch nonstick skillet, melt butter over medium-high heat. Cook carrots, celery, bell pepper and onion in butter 2 to 3 minutes, stirring frequently, until crisp-tender. Add spinach; cook and stir 1 to 2 minutes until wilted. Cool slightly.
2In medium bowl, stir Bisquick mix and eggs. Add vegetables, salt and pepper; stir well.
3Wipe same skillet with paper towel. Spray skillet with cooking spray; heat over medium heat. For each pancake, use 1/4 cup of batter; flatten slightly with spatula. Cook until golden brown, about 1 to 2 minutes on each side. Serve with pasta sauce.