Think spaghetti nights galore and homemade pizzas, or even a dip for those nights when grilled cheese sandwiches rule the dinner table.
1–2 pounds nitrate-free bacon, depending on how meaty you want the marmalade
2 tablespoons extra virgin olive oil
3 pounds Walla Walla or Spanish sweet onions, sliced in crescents
1 teaspoon salt
1/2 cup balsamic vinegar
1/4 cup agave syrup
1/4 cup minced roasted