Place flour in shallow bowl and dredge (cover) chicken in flour, making sure to evenly coat both sides chicken.
Heat Butter oil and Tuscan Herb oil in a skillet over medium-high heat.
Add chicken and cook for approximately 4-5 minutes per side, or until it is golden brown and cooked through. Remove chicken from heat and place on a plate.
Saute onion until translucent and stir in chicken broth, lemon juice, lemon zest, and garlic. Cook for 5 minutes, until it starts to thicken.
Add heavy cream and continue to cook for 1-2 minutes.
Taste sauce and add salt to taste.
Place chicken breast back into pan and coat with sauce. Cook until heated through.