You can but be aware the texture might not be the same. Also, canned chicken has been cooked already so you should not use the Instant Pot. Place the ingredients in a casserole dish and bake at 350°F (175°C) until warm enough to mix together (roughly 10 minutes). Then, mix it well and top it with the cheddar cheese and bacon before placing it back in the oven just long enough to melt the cheese.