Beef Sukiyaki

Ingredients

• 1 lb. lean beef tips, sliced thin
• 1 c. green onions, sliced diagonally
• 1 c. mushrooms, sliced thin
• 1 c. celery, sliced diagonally
• 1 c. fresh bean sprouts
• 1 bunch fresh spinach, stems removed
• 1 clove minced garlic or 1/2 tsp garlic powder
• 1 full packet artificial sweetener
• 1/4 c. water
• 1/2 c. homemade beef stock