Slow Cooker Goulash

Name: Slow Cooker Goulash
Ingredients: 2 tablespoons all-purpose flour; 1 teaspoon black pepper; 2 tablespoons paprika, divided; 2 1/2 teaspoons kosher salt, divided; 1 (2-lb.) boneless chuck roast, trimmed and cut into 1-in. cubes; 2 tablespoons olive oil; 1 1/4 cups chopped yellow onion (from 1 medium onion); 1/2 cup finely chopped celery (from 3 stalks); 1/2 cup finely chopped carrots (from 2 medium carrots); 2 large garlic cloves, minced (1 Tbsp.); 1 (14 1/2-oz.) can fire-roasted diced tomatoes (such as Muir Glen Organic), undrained; 1 1/2 tablespoons red wine vinegar; 12 ounces uncooked egg noodles