In a Dutch oven, cook and stir carrots and onion in 1 tablespoon olive oil over medium-high heat 3 minutes. Add beans, broth and seasoning. Bring to boiling; slightly mash beans. Reduce heat; simmer, uncovered, 8 minutes, stirring occasionally.
Meanwhile, in large skillet, heat remaining oil over medium-high heat. Add spinach and toss 1-2 minutes, just until wilted. Remove from heat. Ladle soup, top with the spinach and sprinkle with the pepper.