Cook beef until beef loses its pink color, stirring to break apart. Drain or skim off excess fat. Combine onions, catsup, mustard, salt, brown sugar, vinegar, and water. Add to beef. Cover; simmer 35 minutes. Stir occasionally to prevent scorching. CCP: Internal temperature must reach F. or higher for 15 seconds. Place 1/2. 1 Feb To the editor: In a recent issue (1) Maxwell Finland, M.D., saw fit to find guilty the surgical profession en bloc with the statement in his summary and in his conclusions that "improving surgical techniques" would alter changing patterns of susceptible pathogens to antimicrobial agents. Nowhere in his article or. Ground Beef should be cooked to an internal temperature of °F. Color is not a reliable indicator of Ground Beef doneness. Meanwhile, prepare Broccoli Slaw. Combine dressing and mustard in medium bowl. Add broccoli slaw; toss to coat. Place about 2/3 cup beef mixture on bottom half of each bun; top with 1/4 cup.