In Dutch oven cook pasta according to package directions, adding broccoli during the last 5 minutes of cooking. Reserve 3/4 cup of the pasta cooking water. Drain pasta and broccoli; return to pan.
Meanwhile, in large bowl combine beans, garlic, and 3 Tbsp. of the oil. Mash about 1/2 of the bean mixture. Stir in basil, pasta water, and 1/2 tsp. salt. Stir into pasta and broccoli in Dutch oven. Cover and keep warm.
For croutons, in skillet heat remaining oil over medium heat. Add bread cubes and red pepper. Cook and stir 1 to 2 minutes, until crisp. Top pasta with croutons and basil. Makes 4 servings.