In a Dutch oven, melt butter over low to medium heat.
Add carrots, celery, bell pepper, garlic, onion and leeks.
Sauté until tender, about 10 minutes or when carrots are about fork tender.
Add peas and stir to combine.
Sprinkle flour over top of veggies and stir to combine.
Cook another 2 minutes.
Add beef broth or stock, thyme, marjoram, liquid smoke, salt and pepper and slowly until incorporated.
Cook until thickened—about 5 minutes.
Stir in beef.
Grease an 8x12” glass baking dish.
Pour beef mixture into prepared dish.
Top with dollops of biscuit dough.
Bake at 400° for 18-23 minutes or until biscuits are cooked through and biscuits are golden brown.
Garnish with fresh thyme before serving.