Crock Pot Sausage Pasta Sauce

Bahan-bahan (6 porsi)

• 1 pound chicken Italian sausage (or turkey sausage, casings removed)
• 1 teaspoon extra virgin olive oil
• 5 cloves garlic (smashed with the side of a knive)
• 28 ounces crushed tomatoes (I swear by Tuttorosso green label)
• crushed red pepper flakes (or fresh cracked black pepper, to taste)