Beef Stew with Butternut Squash (Instant Pot, Crock Pot or Stove Top)

Ingredients (18)

• 4 tablespoons all-purpose flour
• 1 1/2 teaspoons kosher salt and freshly ground black pepper
• 1 1/2 teaspoon garlic salt
• 1 1/2 teaspoons freshly ground black pepper
• 2 pounds beef chuck cut into cubes
• 3 tablespoons vegetable oil
• 4 cloves garlic
• 1 large onion
• 3 ribs celery
• 1 cup red wine
• 2 cups beef broth
• 1 tablespoon beef base
• 2 cups chopped carrots
• 1 pound cremini or brown mushrooms
• 12 ounces butternut squash
• 2 cups quartered new red potatoes
• 2 bay leaves
• 6 thyme stems