It’s that Time Again!!! BBQ Time…
BBQ Flank Steak Onion Open-Faced Sandwiches
Let’s fire up the grill or better yet the broiler in your oven and make a yummy steak sandwich to help you and your family transition from spring into summer. BBQ Flank Steak Onion Open-Faced Sandwiches are the perfect recipe to ease you into spring!
- 1 ½ to 2 pounds of flank steak
- ¾ loaf of sliced French bread (1/2" thick)
- ¾ cup of BBQ sauce
- 2 tablespoons of season salt
- 1 Onion
- 4 tablespoons of butter
- 1 tablespoon of water
- Non-stick spray
- Prepare a non-stick sprayed pan to marinate flank steak.
- Place flank steak in prepared pan. Cover one side with ¼ cup of BBQ sauce and then shake 1 tablespoon of seasoned salt evenly over top. Flip steak over and repeat on other side.
- Cover pan and place in fridge. Allow steak to marinade for at least one hour. Steak may marinate for up to 24 hours to increase flavor.
- Begin to prepare onions and bread 15 minutes prior cooking steak. Prepare a skillet with a ½ tablespoon of butter and heat until melted. Place slice of French bread on top of melted butter and fry until lightly brown. Flip and repeat with all slices of bread. Make sure pan is nicely coated with butter while cooking.
- Once all bread is toasted, use the same pan to prepare onions in. Keep pan at a low heat with a butter layer while cutting onion into long pieces or into cubes. Place cut onion into pan with ½ tablespoon of butter, 1 tablespoon of water and ⅛ cup of BBQ sauce. Allow to simmer while steak is cooking.
- Ready a broiler pan by lining bottom with aluminum foil and spraying with non-stick spray. Heat broiler on your oven to the highest setting, or if this is not an option on your oven, turn the broiler on. If your oven does not have broiler settings, it may increase cook times.
- Remove steak from fridge, transfer to the broiler pan, and put in oven a few inches under the broiler. Cook for 6-8 minutes, flip over, and cook for another 6-8 minutes. Juices will appear on top of the steak, and the edges will be nicely crisp when flank steak is done. NOTE: Flank steak may also be grilled on high heat instead of broiling.
- Transfer the steak to a cutting board. Cut the steak diagonally into thin pieces by slicing against the grain of the steak.
- Place steak and onions on top of a slice toasted French bread. Drizzle remaining BBQ sauce over top of open-faced sandwiches.

Step 2-3 Marinating the Steak!
Some great seasoning salts that I recommend to try:
- Mixed Up Salt Canister $6.99
- $12.50
- Seasoned Salt $10.79
- Choose your own
Some great BBQ sauces that I just adore:
- (2 jars) $12.91
- $20.99
- (Pack of 4 assorted flavors) $23.50
- Choose your own
Step 8– The Cut Flank Steak. Make sure to cut diagonally against the grain of the steak
The perfect BBQ Flank Steak Onion Open-Faced Sandwiches prepare for a party of 5 or a crowd.
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I would love the Stone Brewing Co.’ Barbecue Sauce Set because I know of the brand of beer but I didn’t know before today that they have barbecue sauce also!
a must have for me is Char-Broil Classic 280 2-Burner Gas Grill its just the right size for my family
I would love to have the Jack Daniel’s Barbecue Sauce Combo (Pack of 4 assorted flavors). I think it’s great to try out new flavors on my BBQ. Thanks
We need the Dyna-Glo DGN576SNC-D Dual Zone Premium Charcoal Grill, ours finally bit the dust and we love love love the flavor of a charcoal grill – even angus beef hot dogs taste better. 😀 I actually crave them a couple of times a year.
I would love the Mr. Bar-B-Q 94001X 18-Piece Stainless-Steel Barbecue Set with Storage Case. Our bbq tools are getting old and should be replaced.
I would use the Faux Fur Hair Painting Barbecue Sauce Brush 1.4 Inch Width
by Amico because it covers sauce easily .
I must have The Barbecue! Bible
id like the Stone Brewing Co. Barbecue Sauce Box of 3 My guys are big fans of the Stone Brewing Co IPA beer so this would be a great complement to the meat or chicken to be fixed .
I l=must have est Seller
Char-Broil Classic 4-Burner Gas Grill because without it, no grilling.
I have a new barbecue and tongs. I would like Yoheer 932F Oven Mitts. I need to not burn my hands.
i would love to get the Char-Broil TRU-Infrared Patio Bistro Electric Grill because my charbroil is just about done for it. I’ve never use an electric grill and it sounds less messy and know it would be easier to use woods in. TFS.
I would love to have the Mr. Bar-B-Q 94001X 18-Piece Stainless-Steel Barbecue Set with Storage Case. It has everything you could need in one tidy carrying case. Love it
I would love to have the Yoheer 932F Oven Mitts this year. I have been looking at these for awhile, and think they’d make barbecuing a lot more safe and easy.
I don’t barbecue, but I have dogs. And don’t dogs deserve barbecue? Well, okay, maybe not all the time, but I know they’d love “Zukes Genuine Jerky Barbecue 4-Ounce Treats” anytime!
Char-Broil Classic 280 2-Burner Gas Grill
Ready for grilling
I love marinating in a BBQ sauce and then adding an all seasoning steak spice.
I think I am going to get The Barbecue! Bible. I have tons of cookbooks but none of them are BBQ cookbooks!
I could use a StarCat Digital Stainless Cooking Thermometer with Instant Read for Food, Meat, Grill, BBQ. My old one just quit on me recently.
I love cooking on the grill, but hate cleaning up afterwards. I’d love the SOGODE BBQ Grill Brush 18″ Barbecue Cleaner Tools for cleaning the grill. I think I’d cook out more often if it wasn’t for the cleanup.
I love cooking on the grill, but hate cleaning up afterwards. I’d love the SOGODE BBQ Grill Brush 18″ Barbecue Cleaner Tools for cleaning the grill. I think I’d cook out more often if it wasn’t for the cleanup.