"magic" Chicken

• 3 shallots (chopped)
• 2 cans cream of chicken soup
• 1 onion (chopped)
• 1 bell pepper (chopped)
• 1 clove garlic
• 1 stack ritz crackers (crushed)
• 800 gr chicken breasts (boneless skinless cut into)
• 240 gr peas (frozen thawed)
• 80 gr mushrooms (drained)
• 30 ml vegetable oil