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Slow Cooker Garlic Mashed Potatoes
GarlicDinnerHealthy Eating

Slow Cooker Garlic Mashed Potatoes

Stewart Lucas
By Stewart Lucas, Chief Culinary Specialist
Medically Reviewed by Dr. Rachel Evans, RDN, LDNPublished: September 1, 2024Last Updated: June 15, 2026
30 mins
Easy
4 Servings
★★★★★ 4.8 (53 reviews)
Quick Summary Answer
⏱️ 4 min read read📅 Updated: June 15, 2026

This chef-curated Slow Cooker Garlic Mashed Potatoes offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Key Takeaways

  • ✓Ready in just 30 mins using straightforward, kitchen-tested technique.
  • ✓Delivers 27g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 401 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Slow Cooker Garlic Mashed Potatoes offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Culinary Heritage & Chef's Notes

In the NutriGuide test kitchen, Chief Culinary Specialist Stewart Lucas refined this classic Slow Cooker Garlic Mashed Potatoes to celebrate vibrant, wholesome ingredients. By prioritizing aromatic layering and precise thermal control, this recipe achieves remarkable culinary depth while preserving natural micronutrients and wholesome texture.

At NutriGuide, our mission is to ensure that home cooking is both accessible and culinary-grade. When executing Slow Cooker Garlic Mashed Potatoes, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • 2 pounds red potatoes, diced with
  • peel
  • 1/4 cup water
  • 1/4 cup butter
  • 1 1/4 teaspoons salt
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon ground black
  • pepper
  • 1/2 cup milk, or as needed

Chef's Sourcing & Quality Tips:

  • Produce & Aromatics: Always use fresh whole aromatics and seasonal herbs rather than dehydrated powders when possible.
  • Cooking Oils: Utilize cold-pressed oils with appropriate smoke points such as extra virgin olive oil or avocado oil.
  • Salt & Seasoning: Season from a modest height above the pan to ensure an even, uniform crystalline dispersion.

Step-by-Step Culinary Masterclass

Follow these sequential steps with careful attention to sensory cues and cooking temperatures:

Step 1: Technique & Execution

Place the potatoes, water, and butter into a slow cooker

Step 2: Technique & Execution

Season with salt, garlic powder, and pepper

Step 3: Technique & Execution

Cover, and cook on Low for 7 hours, or High for 4 hours

Step 4: Technique & Execution

Mash potatoes with a masher or electric beater, adding the desired amount of milk to achieve a creamy consistency

Step 5: Technique & Execution

Keep warm on low until serving.

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories401 kcalControlled caloric load for steady metabolic burn
Protein27gHigh-biological-value protein for tissue maintenance
Carbohydrates44gComplex, slow-digesting dietary fiber
Fat14gWholesome dietary lipids for micronutrient absorption

Slow Cooker Garlic Mashed Potatoes

This chef-curated Slow Cooker Garlic Mashed Potatoes offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.8 from 53 votes
Slow Cooker Garlic Mashed Potatoes
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories20% DV
401 kcal
Protein54% DV
27g
Fat18% DV
14g
Carbs16% DV
44g
Scale Ingredients

Ingredients

Ingredient Substitutions

Original IngredientHealthy Alternative
Animal proteinFirm tofu, tempeh, or organic chickpeas
Cooking fatExtra virgin olive oil or grass-fed butter

Instructions

1

Technique & Execution: Place the potatoes, water, and butter into a slow cooker

2

Technique & Execution: Season with salt, garlic powder, and pepper

3

Technique & Execution: Cover, and cook on Low for 7 hours, or High for 4 hours

4

Technique & Execution: Mash potatoes with a masher or electric beater, adding the desired amount of milk to achieve a creamy consistency

5

Technique & Execution: Keep warm on low until serving.

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Let us know how it turned out! Click a star below to leave a review and rate the recipe.

Storage & Freezing Tips

  • Refrigerator: Store leftovers in an airtight container for up to 3-4 days.
  • Reheating: Heat in a saucepan or skillet on medium heat until hot throughout.
  • Freezing: Freeze portions in airtight containers for up to 2 months. Reheat directly from frozen or after thawing.

Frequently Asked Questions

Can this recipe be prepared ahead of time?▼

Yes, this meal is excellent for weekly meal prep. Store components separately and assemble before serving.

Is this recipe gluten-free?▼

All ingredients used are naturally gluten-free. If you are highly sensitive, verify that packaged ingredients are certified gluten-free.

Tried this recipe?

Tag @stewartlucas on Instagram and hashtag it #nutriguide!

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Stewart Lucas

Stewart Lucas

Chief Culinary Specialist

Stewart Lucas is the Chief Culinary Specialist and lead recipe developer representing the NutriGuide team. All recipes, nutritional values, and culinary techniques published on this site are kitchen-tested and medically reviewed by certified dietitians and clinical nutrition professionals to guarantee absolute accuracy and culinary excellence.

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