Slow Cooker Cowboy Soup

• 1 pound ground beef
• 1 ring (13.9 ounces) kielbasa, sliced into ¼-inch rounds
• 2 medium russet potatoes, rinsed, peeled, diced to about ½-inch cubes
• 1 small yellow onion, diced (approximately 1 cup)
• 1 large jalapeño pepper, seeded, finely diced
• 1 teaspoon garlic, minced
• 2 cans (14.5 ounces each) diced tomatoes, undrained
• 2 cans (15.25 ounces each) kidney beans, rinsed, drained
• 1 can (15.25 ounces) sweet corn, undrained
• 1 tablespoon chili powder
• 2 teaspoons kosher salt, divided
• 1 teaspoon Black pepper, divided
• 4 cups (32 ounces / 960 g) beef broth

Beer Slurry

• 2 tablespoons cornstarch
• ½ cup light lager beer, we used Pabst Blue Ribbon (PBR)
• Parsley, chopped for garnish