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Here is your FULL DETAILED RECIPE for OMG Slow Cooker Lasagna — the easiest, richest, most hands-off lasagna ever! Layers stay perfect, the cheese melts beautifully, and it tastes like classic oven-baked lasagna… but with zero effort. 🍝🔥
🤯 OMG Slow Cooker Lasagna
Prep Time: 15 minutes
Cook Time: 4–5 hours (LOW) or 2–3 hours (HIGH)
Total Time: 4–5 hours
Servings: 6–8
⭐ INGREDIENTS
For the Meat Sauce
- 1 lb (450 g) ground beef (or beef + sausage combo)
- 1 small onion, chopped
- 3 garlic cloves, minced
- 1 jar (24 oz / 680 g) marinara sauce
- 1 can (14 oz) crushed tomatoes or diced tomatoes
- 1 tsp Italian seasoning
- ½ tsp dried basil
- ½ tsp salt
- ½ tsp black pepper
- 1 tbsp olive oil
Cheese Filling
- 1 ½ cups ricotta cheese (or cottage cheese)
- 1 ½ cups shredded mozzarella
- ½ cup grated Parmesan
- 1 egg
- 1 tsp dried parsley
- ½ tsp salt
- ¼ tsp pepper
Other Ingredients
- 8–10 lasagna noodles (regular, NOT no-boil)
- 1–1.5 cups mozzarella for layering
- Optional: fresh basil for topping
🔪 INSTRUCTIONS
Step 1: Make the Meat Sauce
- Heat olive oil in a skillet.
- Add onion and sauté 2–3 minutes.
- Add garlic and cook 30 seconds.
- Add ground beef and cook until browned.
- Add marinara, crushed tomatoes, Italian seasoning, salt, and pepper.
- Simmer 5 minutes to thicken slightly.
Step 2: Prepare Cheese Mixture
In a bowl, mix together:
- ricotta
- mozzarella
- Parmesan
- egg
- parsley
- salt & pepper
Set aside.
Step 3: Layer the Lasagna in the Slow Cooker
Lightly spray the inside of your slow cooker.
Layering pattern:
- Meat Sauce – thin layer on bottom
- Lasagna Noodles – break to fit
- Cheese Mixture – spread gently
- Mozzarella – sprinkle
- Repeat until ingredients are used
- Finish with meat sauce + mozzarella on top
You should get 3–4 layers depending on slow cooker size.
⏲️ Step 4: Cook
LOW: 4–5 hours
HIGH: 2–3 hours
- Noodles should be tender.
- Cheese should be melted and bubbly.
Step 5: Rest Before Serving
- Turn off heat.
- Let lasagna rest 10–15 minutes before slicing (important so it sets).
🍽️ SERVE WITH
- Garlic bread
- Caesar salad
- Fresh basil
- Extra Parmesan
💡 TIPS & VARIATIONS
- Add spinach to cheese mixture for a veggie boost.
- Make it creamy: Add ½ cup heavy cream to the sauce for richness.
- Use rotisserie chicken instead of beef for a lighter lasagna.
- For spicy lasagna: Add crushed red chili flakes to the sauce.
- Meal prep-friendly: Tastes even better the next day!
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