Yield: 1 gallon
1. Add all ingredients to a large saucepan and mix together until smooth.
2. Cook over medium heat, stirring frequently, until mixture comes to a boil, then reduce the heat and simmer for 45 minutes, stirring occasionally.
3. Remove from heat and allow cooling. The sauce will thicken slightly as it cools.
4. Store in an airtight container or glass jar in the fridge for up to 4 weeks.