Spoon coconut cream (thick layer at top of can) into a large skillet; stir in curry paste. Bring to a boil over medium-high heat. Add remaining coconut milk, sugar, fish sauce, and red pepper; bring to a boil. Cook 2 minutes, stirring constantly. Add bell pepper and onion; reduce heat to medium, and simmer 4 minutes. Add beef; cook 3 minutes or until done, stirring occasionally. Remove pan from heat; stir in basil, lime juice, and salt. Serve beef mixture with rice and lime wedges.