Chicken Saltimbocca with Cacio e Pepe

Ingredients

• 1 lb. spaghetti
• 1⁄2 lb. Ricotta Cheese
• 1⁄2 cup Pecorino Romano Cheese
• 2 Tbsp. Fresh Ground Black Pepper and Salt
• 4 chicken cutlets
• 4 slices prosciutto
• 1 cup flour
• 1/4 cup olive oil
• 2 tablespoons butter (divided)
• 2 shallots (peeled, thinly sliced)
• 1 cup chicken stock
• 1/2 lemon (juiced)
• 1/4 cup parsley (finely chopped)