A recipe for sauteed chicken

sautee_chicken.py

from stores import Safeway
from ingredients import Meats, Oils, Vegetables, Spices
from kitchen import Pan, Stove, Plate
from life import Girlfriend, Me
import common_steps, units, time

class Recipe(object):
    def __init__(self, name, description=None, cook_time=None):
        self.name = name
        self.description = description
        self.cook_time = cook_time

        
class StovetopRecipe(Recipe):
    def __init__(self, name, description=None, cook_time=None):
        super(StovetopRecipe).__init__(name, description, cook_time)
        self.pan = new Pan()
        self.stove = new Stove()
        
class SauteedChicken(StovetopRecipe):
    def __init__(self, name, description=None, cook_time=None):
        super(SauteedChicken).__init__(name, description, cook_time)
        
        self.chicken =     Safeway.purchase(Meats.CHICKEN, 1, units.BREAST)
        self.canola_oil =  Safeway.purchase(Oils.CANOLA, 1, units.TABLESPOON)
        self.garlic =      Safeway.purchase(Vegetables.GARLIC, 4, units.CLOVES)
        self.white_onion = Safeway.purchase(Vegetables.WHITE_ONION, 1, units.ITEM)
        self.salt =        Safeway.purchase(Spices.SALT, 1, units.TEASPOON)
        self.pepper =      Safeway.purchase(Spices.PEPPER, 1, units.TEASPOON)

    def prepare(self):
        self.chicken = common_steps.slice(self.chicken)
        self.garlic = common_steps.mince(self.garlic)
        self.white_onion = common_steps.chop(self.white_onion)
        
    def cook(self):
        self.pan.place(self.stove)
        self.stove.heat(stove.StoveTemps.MEDIUM)
        self.pan.add(self.canola_oil)
        time.sleep(60)
        self.pan.addall([self.garlic, self.white_onion, self.salt, self.pepper])
        for i in range(10):
            self.pan.stir()
            time.sleep(20)
        
        self.pan.add(self.chicken)
        while not self.chicken.is_cooked():
            time.sleep(120)
            for slice in chicken.slices:
                slice.flip()
                
        self.stove.heat(stove.StoveTemps.OFF)
        
    def serve(self):
        plate = new Plate()
        plate.add(pan.contents)
        
        try:
            Girlfriend.serve(plate)
        except ConstructiveCriticismException:
            Me.cry()
        Me.clean()