Melt butter in a large saute pan over medium high heat.
Combine flour, salt and pepper in a small bowl. Dredge beef stew meat pieces throughout flour. Shake off excess flour.
Sear beef in butter for 2 minutes on each side.
Place chopped onions, carrots and mushrooms on the bottom of large crock pot.
Layer seared beef on top of vegetables in crock pot.
Pour red wine into pan to deglaze. Scrap up any bits left on pan.
Add tomato paste, diced tomatoes, elderberry jam and beef broth to pan and whisk to combine.
Add dried parsley, sage and basil to the liquid. Stir to combine.
Bring to a boil. Once boiling turn down to a simmer. Allow liquid to simmer and thicken for 10 minutes.
Pour sauce over top of beef and vegetables in crock pot. Cook on low 8-10 hours until vegetables are soft and beef is tender.
Serve over top of mashed potatoes or rice.