Combine all ingredients into crock pot and stir.
Cover and cook on low for 8-9 hours or high 4-6.
Stir in frozen peas about 15 minutes before serving over mashed potatoes, rice or noodles.
Substitution options
Cut up a chuck roast or round roast into small 1’ cubes for stew meat. Canned mushrooms can be substituted for fresh mushrooms. Beef broth can be substituted for beer.
Cream Condensed Soup
Melt butter over med-low heat. Add flour and whisk to make a roux, 1-1 1/2 minutes.
Slowly add chicken broth and milk and whisk to smooth out lumps.
Stir in garlic salt and pepper. Bring to a simmer and cook until mixture thickens, 2-3 minutes.