Slow Cooker Pepperoni Pizza

Ingredients (8)

• + 1 (16 ounce) package kluski noodles add to pantry
• ✓ 1 ½ pounds ground beef
• + 1 (13.5 ounce) jar marinara sauce add to pantry
• + 1 (8 ounce) can pizza sauce add to pantry
• + 1 (3.5 ounce) package sliced pepperoni add to pantry
• + 2 (6 ounce) cans sliced mushrooms, drained add to pantry
• + 2 cups grated mozzarella cheese add to pantry
• + 2 cups grated Cheddar cheese add to pantry