How to Make Slow Cooker Boston Baked Beans

Nothing says comfort food quite like a bowl of Boston baked beans. With its deep, rich flavors, this classic dish has been a staple in New England kitchens for centuries. Traditionally, it was slow-cooked in a brick oven overnight. Still, modern conveniences like the slow cooker have made it easier to recreate this beloved recipe at home without much fuss. If you’re a home cook looking to master this dish, you’re in the right place. In this comprehensive guide, we’ll delve into everything you need to know about making slow cooker Boston baked beans, including a basic recipe, ingredient measurements in both U.S. and metric units, cooking tips, and flavor variations.


The History of Boston Baked Beans

Before we dive into the recipe, let’s take a moment to appreciate the history of this humble dish. Boston baked beans trace their origins back to Native American cooking, where beans were slow-cooked with maple syrup and bear fat. When the Pilgrims arrived, they adapted the recipe, substituting molasses and pork fat, ingredients that were more accessible to them. By the 18th century, Boston had become a hub for molasses trade, leading to the classic sweet and savory flavor profile of Boston baked beans that we know today.

The dish became a traditional Saturday night supper for many New England families, often paired with brown bread and hot dogs. Using a slow cooker today allows us to replicate that same long, slow cooking process, which is key to achieving the dish’s signature thick, sticky, and flavorful sauce.


Essential Ingredients for Slow Cooker Boston Baked Beans

Boston baked beans rely on a few core ingredients, each contributing to the distinctive taste. Here’s a breakdown:

  1. Navy Beans: The classic choice for baked beans. They’re small, creamy, and hold up well to slow cooking.
  2. Molasses: This dark, viscous syrup is what gives Boston baked beans their signature sweetness and deep, dark color. It’s important to use unsulphured molasses for a smoother flavor.
  3. Brown Sugar: Enhances the sweetness and complements the molasses with a caramel-like flavor.
  4. Salt Pork: Adds a salty, savory note, and the fat renders down, giving the beans a luxurious texture. Bacon is a common substitute.
  5. Onion: Adds a subtle savory depth to the dish.
  6. Mustard Powder: Introduces a slight tang, balancing the sweetness.
  7. Salt and Pepper: Essential for seasoning.
  8. Water: Keeps the beans moist and helps the sauce develop.

Basic Recipe for Slow Cooker Boston Baked Beans

Ingredients Table

IngredientU.S. MeasureMetric Measure
Dried navy beans1 pound450 grams
Water (for soaking and cooking)6 cups1.4 liters
Unsulphured molasses1/2 cup120 ml
Brown sugar1/4 cup55 grams
Salt pork (cubed)1/4 pound115 grams
Onion (finely diced)1 medium150 grams
Mustard powder1 tablespoon15 grams
Salt1 1/2 teaspoons8 grams
Black pepper1/2 teaspoon1 gram

Step-by-Step Instructions

  1. Soak the Beans
  • Begin by placing the dried navy beans in a large bowl. Cover them with water, ensuring there’s at least 2 inches (5 cm) of water above the beans, as they will expand while soaking. Let them soak overnight, about 8 hours.
  • Alternatively, for a quicker soak, boil the beans in water for 2 minutes, then remove from heat, cover, and let sit for 1 hour. Drain and rinse before proceeding.
  1. Prepare the Slow Cooker
  • Drain the soaked beans and transfer them to the slow cooker. Add 6 cups (1.4 liters) of fresh water. If you prefer a thicker sauce, you can reduce the water to 5 cups (1.2 liters).
  • Add the molasses, brown sugar, salt pork, diced onion, mustard powder, salt, and pepper.
  1. Slow Cook
  • Stir the ingredients to combine, ensuring the salt pork is evenly distributed among the beans.
  • Cover the slow cooker and set it on low heat. Cook for 8 to 10 hours, stirring occasionally if possible. The beans are done when they’re tender, and the sauce has thickened to a rich, syrupy consistency.
  • If the sauce is too thin for your liking, uncover the slow cooker for the last hour of cooking to allow some of the liquid to evaporate.
  1. Adjust Seasoning
  • Taste the beans, and add more salt, pepper, or a splash of molasses if needed. If you like your beans spicier, add a bit of cayenne pepper or smoked paprika for an extra kick.
  1. Serve
  • Serve the beans hot, straight from the slow cooker. They pair wonderfully with brown bread, cornbread, or grilled sausages. Leftovers can be stored in an airtight container in the refrigerator for up to a week.

Cooking Tips and Tricks

1. The Importance of Slow Cooking

The secret to authentic Boston baked beans lies in slow cooking. This process allows the beans to absorb the flavors from the molasses, pork, and spices, while also becoming tender without turning mushy. Slow cooking over low heat ensures a gradual melding of flavors, making each bite delicious.

2. Choosing the Right Molasses

Not all molasses are created equal. Look for “unsulphured molasses,” which is less bitter and has a smoother taste. Blackstrap molasses is an option, but it’s more intense and less sweet, which can alter the traditional flavor profile of the dish.

3. Substitutes for Salt Pork

If you don’t have salt pork, you can substitute with thick-cut bacon or pancetta. While these substitutions will add a slightly different flavor, they still contribute the needed fat and savory notes. Smoked bacon can add an extra layer of smokiness that complements the sweetness.

4. Thickening the Sauce

If your sauce isn’t thickening as much as you’d like, try uncovering the slow cooker for the last hour or two of cooking. This will allow some of the moisture to evaporate, thickening the sauce. You can also mash a few of the beans against the side of the pot to help the sauce thicken.


Flavor Variations to Try

While the classic recipe is fantastic on its own, here are a few variations to consider if you’re feeling adventurous:

  1. Maple-Infused Beans
  • Replace half of the molasses with pure maple syrup for a lighter, sweeter flavor with hints of caramel. This nod to the original Native American recipes brings a new depth to the beans.
  1. Spicy Boston Baked Beans
  • Add 1 to 2 teaspoons of crushed red pepper flakes or a dash of hot sauce for a spicy kick. Smoked paprika can also be added for a hint of smokiness.
  1. Vegetarian Option
  • Omit the salt pork and use olive oil or butter to add richness. You can also add a dash of liquid smoke for a hint of that savory, smoky flavor.
  1. Apple Cider Baked Beans
  • Replace 1 cup (240 ml) of the water with apple cider to give the beans a slightly fruity and tangy flavor. The apple notes will contrast nicely with the sweetness of the molasses.

Frequently Asked Questions

1. Can I Use Canned Beans Instead of Dried Beans?

Yes, you can use canned navy beans to save time. However, the texture may not be as firm, and they can break down during the long cooking process. If using canned beans, reduce the cooking time to 4 hours on low and adjust the amount of water accordingly.

2. How Can I Store and Reheat Leftover Baked Beans?

Store any leftover beans in an airtight container in the refrigerator for up to 7 days. To reheat, add a splash of water or broth to loosen the sauce, and heat in a saucepan over medium heat until warmed through. You can also freeze baked beans for up to 3 months.

3. Can I Cook the Beans on High Instead of Low?

It’s possible, but not recommended. Cooking on high can cause the beans to split and the sauce to cook unevenly. For the best texture and flavor, stick to low heat and a long cooking time.


Why You’ll Love Making This Recipe

Slow cooker Boston baked beans are an ideal dish for gatherings or weeknight meals, as they require minimal effort but deliver maximum flavor. The sweetness of the molasses, the savory depth from the pork, and the creamy texture of the beans all come together to create a comforting dish that tastes like home. Plus, with the slow cooker doing all the work, you can focus on other dishes or simply relax while your home fills with the mouth-watering aroma of slow-cooked goodness.

Final Thoughts

Mastering slow cooker Boston baked beans is all about patience and quality ingredients. Once you try this recipe, you’ll see why it has endured for centuries as a beloved comfort food. Whether you stick to the traditional recipe or experiment with the variations, you’re sure to end up with a pot of

beans that’s deliciously sweet, savory, and perfect for any occasion. So, grab your slow cooker, prep your ingredients, and get ready to enjoy the best Boston baked beans you’ve ever made!