Cook onion and chile pepper in oil in a large nonstick skillet until onions become translucent and tender. Add the shrimp and cook until opaque for about 2-4 minutes, stirring frequently. Stir sauce into skillet, heat through.
Serve in warm tortillas with fresh chopped cilantro.
In a large skillet, add olive oil and onions and sauté over medium-high heat for 2 to 3 minutes or until translucent. Add turkey, season well with salt & pepper and for about 7-10 minutes. Add ketchup, mustard, cayenne, brown sugar and tomato paste. Reduce heat and simmer for 10 to 12 minutes. Finish with a splash of vinegar and season it once more.
Remove any giblets from the chicken and clean the chicken. Rub the spice mixture onto the entire chicken. For stronger flavor, place the seasoned chicken into a plastic bag and refrigerate over night. For time saving option, place chopped onion on bottom of crock pot. Place chicken on onions.