Melted cheese mixed with beef and onions in a bell pepper-low carb, easy and delicious.
In a medium skillet, heat 1 tsp olive oil over medium heat. Add onions and garlic and sprinkle lightly with salt and pepper. Stir. Place pepper halves on top of onions. Cover and cook 15-20 minutes until onions are golden brown- stirring onions occasionally. Lower heat if needed to prevent burning. Uncover last few minutes of cooking. Remove onions and peppers from skillet into a large bowl.
Add 1 teaspoon olive oil to skillet and turn heat to med high. Add worcestershire sauce to steak pieces and stir then cook in 2 batches -stir frying until browned and cooked- about 2-3 minutes. Add 1 teaspoon olive oil to skillet for each batch of steak cooked. Add cooked steak to bowl containing cooked onions and stir to combine.
Place 1/2 slice provolone cheese in the bottom of each pepper half, then fill peppers with steak/onion mixture. Heat queso cheese then drizzle evenly over peppers. Place peppers back in skillet on low heat. Cover and heat until thoroughly warmed.